diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 2e86f5142f..d999ec8e00 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -271,7 +271,7 @@ p a {
 		<li>[Fix] Finer error conditions for sending IM messages (Bugs #13681, #13683)</li>
 		<li>[Fix] Add a confirmation for log deletion in the MCP (Bug #13693)</li>
 		<li>[Fix] Do not erase ranks and avatars when changing default groups (Bugs #13701, #13697)</li>
-		<li>[Fix] Limit author searches to firstpost, if selected (Bug #13579)</li> 
+		<li>[Fix] Limit author searches to firstpost, if selected (Bug #13579)</li>
 		<li>[Fix] Properly resync user post counts for users that have no posts (Bug #13581)</li>
 		<li>[Fix] Do not require space after , in smiley pak files (Bug #13647)</li>
 		<li>[Fix] Properly display the subscribe link in topic and forum display for Oracle (Bug #13583)</li>
@@ -290,6 +290,7 @@ p a {
 		<li>[Fix] Allow moving private messages from the sentbox (Bug #13791)</li>
 		<li>[Fix] Properly export localized imagesets</li>
 		<li>[Feature] Show the size of Firebird databases</li>
+		<li>[Fix] Show error when moving topic into a category via quickmod (Bug #11611)</li>
 
 	</ul>
 
diff --git a/phpBB/includes/mcp/mcp_main.php b/phpBB/includes/mcp/mcp_main.php
index 199a54032a..8f242f3165 100644
--- a/phpBB/includes/mcp/mcp_main.php
+++ b/phpBB/includes/mcp/mcp_main.php
@@ -570,10 +570,15 @@ function mcp_move_topic($topic_ids)
 			}
 		}
 	}
+	else
+	{
+		$additional_msg = $user->lang['FORUM_NOT_EXIST'];
+	}
 
 	if (!$to_forum_id || $additional_msg)
 	{
 		unset($_POST['confirm']);
+		unset($_REQUEST['confirm_key']);
 	}
 
 	if (confirm_box(true))
@@ -964,10 +969,15 @@ function mcp_fork_topic($topic_ids)
 			}
 		}
 	}
+	else
+	{
+		$additional_msg = $user->lang['FORUM_NOT_EXIST'];
+	}
 
-	if (!$to_forum_id || $additional_msg)
+	if ($additional_msg)
 	{
 		unset($_POST['confirm']);
+		unset($_REQUEST['confirm_key']);
 	}
 
 	if (confirm_box(true))