diff --git a/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/exec/MSQSelectTest.java b/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/exec/MSQSelectTest.java
index 5c45fbcdf6a..d56afd77468 100644
--- a/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/exec/MSQSelectTest.java
+++ b/extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/exec/MSQSelectTest.java
@@ -62,6 +62,7 @@ import org.apache.druid.sql.SqlPlanningException;
 import org.apache.druid.sql.calcite.expression.DruidExpression;
 import org.apache.druid.sql.calcite.external.ExternalDataSource;
 import org.apache.druid.sql.calcite.filtration.Filtration;
+import org.apache.druid.sql.calcite.planner.UnsupportedSQLQueryException;
 import org.apache.druid.sql.calcite.util.CalciteTests;
 import org.hamcrest.CoreMatchers;
 import org.junit.Test;
@@ -1206,6 +1207,20 @@ public class MSQSelectTest extends MSQTestBase
         .verifyExecutionError();
   }
 
+  @Test
+  public void testGroupByWithComplexColumnThrowsUnsupportedException()
+  {
+    testSelectQuery()
+        .setSql("select unique_dim1 from foo2 group by unique_dim1")
+        .setQueryContext(context)
+        .setExpectedExecutionErrorMatcher(CoreMatchers.allOf(
+            CoreMatchers.instanceOf(UnsupportedSQLQueryException.class),
+            ThrowableMessageMatcher.hasMessage(CoreMatchers.containsString(
+                "SQL requires a group-by on a column of type COMPLEX<hyperUnique> that is unsupported"))
+        ))
+        .verifyExecutionError();
+  }
+
   @Test
   public void testGroupByMultiValueMeasureQuery()
   {