diff --git a/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysTypes.java b/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysTypes.java
index 880735d8bbb..508ffef5305 100644
--- a/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysTypes.java
+++ b/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysTypes.java
@@ -83,7 +83,7 @@ public class SysTypes extends Command {
                         // only numerics are signed
                         !t.isSigned(),
                         //no fixed precision scale SQL_FALSE
-                        0,
+                        false,
                         null,
                         null,
                         null,
diff --git a/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysParserTests.java b/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysParserTests.java
index aa49c782c86..48eb287bd6f 100644
--- a/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysParserTests.java
+++ b/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysParserTests.java
@@ -66,6 +66,8 @@ public class SysParserTests extends ESTestCase {
             assertFalse(r.schema().types().contains(DataType.NULL));
             // test numeric as signed
             assertFalse(r.column(9, Boolean.class));
+            // make sure precision is returned as boolean (not int)
+            assertFalse(r.column(10, Boolean.class));
             
             for (int i = 0; i < r.size(); i++) {
                 assertEquals(names.get(i), r.column(0));