diff --git a/src/main/java/org/datanucleus/query/JDOQLQueryHelper.java b/src/main/java/org/datanucleus/query/JDOQLQueryHelper.java
index 265d0b6de..50732ec4e 100644
--- a/src/main/java/org/datanucleus/query/JDOQLQueryHelper.java
+++ b/src/main/java/org/datanucleus/query/JDOQLQueryHelper.java
@@ -226,6 +226,11 @@ else if (dyExpr.getOperator() == Expression.OP_DISTINCT)
             {
                 // Processed above
             }
+            else if (dyExpr.getOperator() == Expression.OP_CONTAIN)
+            {
+                str.append(" =~ ");
+            }
+            
             else
             {
                 // TODO Support other operators
@@ -314,4 +319,4 @@ else if (value instanceof Boolean)
             throw new UnsupportedOperationException("Dont currently support " + expr.getClass().getName() + " in JDOQLHelper");
         }
     }
-}
\ No newline at end of file
+}