diff --git a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/EmbedFieldStrategy.java b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/EmbedFieldStrategy.java
index e792d1180..016d53d97 100644
--- a/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/EmbedFieldStrategy.java
+++ b/openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/meta/strats/EmbedFieldStrategy.java
@@ -165,7 +165,8 @@ public class EmbedFieldStrategy
         FieldMapping[] fields = field.getEmbeddedMapping().getFieldMappings();
         for (int i = 0; i < fields.length; i++)
             if (!Boolean.TRUE.equals(fields[i].isCustomInsert(em, store)))
-                fields[i].insert(em, store, rm);
+                if (!fields[i].isPrimaryKey())
+                    fields[i].insert(em, store, rm);
 
         if (field.getColumnIO().isInsertable(0, true))
             setNullIndicatorColumn(sm, row);
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/Address.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/Address.java
new file mode 100644
index 000000000..a5ba20141
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/Address.java
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.openjpa.persistence.embed;
+
+import javax.persistence.*;
+
+/**
+ * An entity that extends a MappedSuperClass and embeds an entity.
+ * 
+ * @author Pinaki Poddar 
+ *
+ */
+@Entity
+public class Address extends BaseEntity {
+    protected String streetAddress, city, state;
+
+    Geocode geocode;
+
+    @Embedded
+    public Geocode getGeocode() {
+        return geocode;
+    }
+
+    public void setGeocode(Geocode geocode) {
+        this.geocode = geocode;
+    }
+
+    public String getStreetAddress() {
+        return streetAddress;
+    }
+
+    public void setStreetAddress(String streetAddress) {
+        this.streetAddress = streetAddress;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public void setState(String state) {
+        this.state = state;
+    }
+
+    protected Integer zip;
+
+    public Integer getZip() {
+        return zip;
+    }
+
+    public void setZip(Integer zip) {
+        this.zip = zip;
+    }
+
+}
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/BaseEntity.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/BaseEntity.java
new file mode 100644
index 000000000..621dd95b6
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/BaseEntity.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.openjpa.persistence.embed;
+
+import javax.persistence.*;
+
+/**
+ * Mapped Super Class using auto-generated identity.
+ * 
+ * @author Pinaki Poddar 
+ *
+ */
+@MappedSuperclass
+public class BaseEntity {
+    protected Long id;
+
+    @Id
+    @GeneratedValue
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+}
\ No newline at end of file
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/Geocode.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/Geocode.java
new file mode 100644
index 000000000..e926b24c5
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/Geocode.java
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.openjpa.persistence.embed;
+
+import javax.persistence.*;
+
+/**
+ * An embedded entity.
+ * 
+ * @author Pinaki Poddar 
+ *
+ */
+@Embeddable
+public class Geocode extends BaseEntity {
+    float latitude, longtitude;
+
+    public float getLatitude() {
+        return latitude;
+    }
+
+    public void setLatitude(float latitude) {
+        this.latitude = latitude;
+    }
+
+    public float getLongtitude() {
+        return longtitude;
+    }
+
+    public void setLongtitude(float longtitude) {
+        this.longtitude = longtitude;
+    }
+}
\ No newline at end of file
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbedded.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbedded.java
new file mode 100644
index 000000000..24a54647c
--- /dev/null
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/embed/TestEmbedded.java
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.openjpa.persistence.embed;
+
+import javax.persistence.EntityManager;
+import org.apache.openjpa.persistence.test.SingleEMFTestCase;
+
+public class TestEmbedded extends SingleEMFTestCase {
+    public void setUp() {
+        super.setUp(BaseEntity.class, Address.class, Geocode.class,
+                CLEAR_TABLES);
+    }
+
+    public void testInsertEmbedded() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        Address a = new Address();
+        a.setStreetAddress("123 Main St");
+        a.setCity("Chicago");
+        a.setState("IL");
+        a.setZip(60606);
+        Geocode g = new Geocode();
+        g.setLatitude(1.0f);
+        g.setLongtitude(2.0f);
+        a.setGeocode(g);
+        em.persist(a);
+        em.getTransaction().commit();
+    }
+
+}
\ No newline at end of file