diff --git a/src/MakePotCommand.php b/src/MakePotCommand.php
index 7fe9940..3b5b914 100644
--- a/src/MakePotCommand.php
+++ b/src/MakePotCommand.php
@@ -628,7 +628,7 @@ protected function extract_strings() {
 
 			if ( $this->main_file_path && $this->location ) {
 				$translation->addReference(
-					str_replace( "$this->source/", '', $this->main_file_path )
+					ltrim( str_replace( "$this->source/", '', Utils\normalize_path( $this->main_file_path ) ), '/' )
 				);
 			}