diff --git a/src/backend/utils/adt/bool.c b/src/backend/utils/adt/bool.c
index 7d3f9e55a1c6213e07d7937625d4ebd8e81195dd..a9f9c5b20789801dbabdff86f1f8f57cc810228a 100644
--- a/src/backend/utils/adt/bool.c
+++ b/src/backend/utils/adt/bool.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/bool.c,v 1.46 2009/03/09 14:34:34 petere Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/bool.c,v 1.47 2009/03/09 16:49:12 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -109,7 +109,8 @@ parse_bool_with_len(const char *value, size_t len, bool *result)
 			break;
 	}
 
-	*result = false;	/* suppress compiler warning */
+	if (result)
+		*result = false;	/* suppress compiler warning */
 	return false;
 }