diff --git a/libraries/Advisor.class.php b/libraries/Advisor.class.php
index 98e090e515..91c8bf2beb 100644
--- a/libraries/Advisor.class.php
+++ b/libraries/Advisor.class.php
@@ -244,9 +244,9 @@ class Advisor
             );
 
             // Replaces external Links with PMA_linkURL() generated links
-            $rule['recommendation'] = preg_replace(
-                '#href=("|\')(https?://[^\1]+)\1#ie',
-                '\'href="\' . PMA_linkURL("\2") . \'"\'',
+            $rule['recommendation'] = preg_replace_callback(
+                '#href=("|\')(https?://[^\1]+)\1#i',
+                array($this, '_replaceLinkURL'),
                 $rule['recommendation']
             );
             break;
@@ -255,6 +255,18 @@ class Advisor
         $this->runResult[$type][] = $rule;
     }
 
+    /**
+     * Callback for wrapping links with PMA_linkURL
+     *
+     * @param array $matches List of matched elements form preg_replace_callback
+     *
+     * @return Replacement value
+     */
+    private function _replaceLinkURL($matches)
+    {
+        return 'href="' . PMA_linkURL($matches[2]) . '"';
+    }
+
     /**
      * Callback for evaluating fired() condition.
      *