diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/exec/DBCLogicalOperator.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/exec/DBCLogicalOperator.java
index 7f03d1f24e71bfbf9caa523fcd56a32e60bbf414..85f25fddee4ed9a58e0e1cf070bab58d582d7a6c 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/exec/DBCLogicalOperator.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/exec/DBCLogicalOperator.java
@@ -29,13 +29,15 @@ public enum DBCLogicalOperator {
     EQUALS("=", 1) {
         @Override
         public boolean evaluate(Object srcValue, Object[] arguments) {
-            return CommonUtils.equalObjects(srcValue, arguments[0]);
+            final Object cmpValue = arguments == null ? null : arguments[0];
+            return CommonUtils.equalObjects(srcValue, cmpValue);
         }
     },
     NOT_EQUALS("<>", 1) {
         @Override
         public boolean evaluate(Object srcValue, Object[] arguments) {
-            return !CommonUtils.equalObjects(srcValue, arguments[0]);
+            final Object cmpValue = arguments == null ? null : arguments[0];
+            return !CommonUtils.equalObjects(srcValue, cmpValue);
         }
     },
     GREATER(">", 1) {