diff --git a/dblayeroo.php b/dblayeroo.php
index bdb6219..2985d24 100644
--- a/dblayeroo.php
+++ b/dblayeroo.php
@@ -1884,6 +1884,11 @@ class dblayeroo
   /* {{{ */
   {
     $this->debugLog ("Entering whereAddParenthesisOpen ()");
+    if (count ($this->whereExpression) &&
+        end ($this->whereExpression) !== "AND" &&
+        end ($this->whereExpression) !== "OR" &&
+        end ($this->whereExpression) !== "(")
+      $this->whereExpression[] = "AND";
     $this->whereExpression[] = "(";
     return $this;
   }