diff --git a/querydsl-sql/src/main/java/com/querydsl/sql/HSQLDBTemplates.java b/querydsl-sql/src/main/java/com/querydsl/sql/HSQLDBTemplates.java
index 7d5bb5e7e..b349e4aea 100644
--- a/querydsl-sql/src/main/java/com/querydsl/sql/HSQLDBTemplates.java
+++ b/querydsl-sql/src/main/java/com/querydsl/sql/HSQLDBTemplates.java
@@ -51,6 +51,7 @@ public class HSQLDBTemplates extends SQLTemplates {
         setAutoIncrement(" identity");
         setDefaultValues("\ndefault values");
         setFunctionJoinsWrapped(true);
+        setUnionsWrapped(false);
 
         setPrecedence(Precedence.ARITH_HIGH, Ops.CONCAT);
         setPrecedence(Precedence.ARITH_LOW + 1, Ops.NOT);
diff --git a/querydsl-sql/src/test/java/com/querydsl/sql/AbstractSQLTemplatesTest.java b/querydsl-sql/src/test/java/com/querydsl/sql/AbstractSQLTemplatesTest.java
index 1dc2ba0b1..34404c064 100644
--- a/querydsl-sql/src/test/java/com/querydsl/sql/AbstractSQLTemplatesTest.java
+++ b/querydsl-sql/src/test/java/com/querydsl/sql/AbstractSQLTemplatesTest.java
@@ -69,20 +69,38 @@ public abstract class AbstractSQLTemplatesTest {
             select(three));
 
         if (templates.getDummyTable() == null) {
-            assertEquals(
-                    "(select 1 as col1)\n" +
-                    "union\n" +
-                    "(select 2)\n" +
-                    "union\n" +
-                    "(select 3)", union.toString());
+            if (templates.isUnionsWrapped()) {
+                assertEquals(
+                        "(select 1 as col1)\n" +
+                        "union\n" +
+                        "(select 2)\n" +
+                        "union\n" +
+                        "(select 3)", union.toString());
+            } else {
+                assertEquals(
+                        "select 1 as col1)\n" +
+                        "union\n" +
+                        "select 2\n" +
+                        "union\n" +
+                        "select 3", union.toString());
+            }
         } else {
             String dummyTable = templates.getDummyTable();
-            assertEquals(
-                    "(select 1 as col1 from " + dummyTable + ")\n" +
-                    "union\n" +
-                    "(select 2 from " + dummyTable + ")\n" +
-                    "union\n" +
-                    "(select 3 from " + dummyTable + ")", union.toString());
+            if (templates.isUnionsWrapped()) {
+                assertEquals(
+                        "(select 1 as col1 from " + dummyTable + ")\n" +
+                        "union\n" +
+                        "(select 2 from " + dummyTable + ")\n" +
+                        "union\n" +
+                        "(select 3 from " + dummyTable + ")", union.toString());
+            } else {
+                assertEquals(
+                        "select 1 as col1 from " + dummyTable + "\n" +
+                        "union\n" +
+                        "select 2 from " + dummyTable + "\n" +
+                        "union\n" +
+                        "select 3 from " + dummyTable, union.toString());
+            }
         }
     }