diff --git a/libraries/dbi/mysql.dbi.lib.php b/libraries/dbi/mysql.dbi.lib.php
index 4750ee225..bf1611450 100644
--- a/libraries/dbi/mysql.dbi.lib.php
+++ b/libraries/dbi/mysql.dbi.lib.php
@@ -321,6 +321,12 @@ function PMA_DBI_get_client_info()
 function PMA_DBI_getError($link = null)
 {
     $GLOBALS['errno'] = 0;
+
+    /* Treat false same as null because of controllink */
+    if ($link === false) {
+        $link = null;
+    }
+
     if (null === $link && isset($GLOBALS['userlink'])) {
         $link =& $GLOBALS['userlink'];
 
diff --git a/libraries/dbi/mysqli.dbi.lib.php b/libraries/dbi/mysqli.dbi.lib.php
index 9672385df..2c00bcdbc 100644
--- a/libraries/dbi/mysqli.dbi.lib.php
+++ b/libraries/dbi/mysqli.dbi.lib.php
@@ -379,6 +379,11 @@ function PMA_DBI_getError($link = null)
 {
     $GLOBALS['errno'] = 0;
 
+    /* Treat false same as null because of controllink */
+    if ($link === false) {
+        $link = null;
+    }
+
     if (null === $link && isset($GLOBALS['userlink'])) {
         $link =& $GLOBALS['userlink'];
         // Do not stop now. We still can get the error code