diff --git a/ast_expr.y b/ast_expr.y
index 71546f1b0b..43385ae8f4 100755
--- a/ast_expr.y
+++ b/ast_expr.y
@@ -215,8 +215,7 @@ struct val *vp;
 	}
 	if (vp->type == string || vp->type == numeric_string)
 		free (vp->u.s);	
-	if (vp)
-		free (vp);
+	free (vp);
 }