1 files changed, 5 insertions, 3 deletions
diff --git a/phpBB/includes/template/compile.php b/phpBB/includes/template/compile.php
index d0b3d0f115..22da21820e 100644
--- a/phpBB/includes/template/compile.php
+++ b/phpBB/includes/template/compile.php
@@ -58,6 +58,9 @@ class phpbb_template_compile
 	*/
 	public function compile_file_to_file($source_file, $compiled_file)
 	{
+		$lock = new phpbb_lock_flock($compiled_file);
+		$lock->acquire();
+
 		$source_handle = @fopen($source_file, 'rb');
 		$destination_handle = @fopen($compiled_file, 'wb');
 
@@ -66,16 +69,15 @@ class phpbb_template_compile
 			return false;
 		}
 
-		@flock($destination_handle, LOCK_EX);
-
 		$this->compile_stream_to_stream($source_handle, $destination_handle);
 
 		@fclose($source_handle);
-		@flock($destination_handle, LOCK_UN);
 		@fclose($destination_handle);
 
 		phpbb_chmod($compiled_file, CHMOD_READ | CHMOD_WRITE);
 
+		$lock->release();
+
 		clearstatcache();
 
 		return true;