diff --git a/sapi/phpdbg/phpdbg_list.c b/sapi/phpdbg/phpdbg_list.c
index 4d5e7dd8f81..5755884ef69 100644
--- a/sapi/phpdbg/phpdbg_list.c
+++ b/sapi/phpdbg/phpdbg_list.c
@@ -313,8 +313,8 @@ zend_op_array *phpdbg_init_compile_file(zend_file_handle *file, int type) {
 			if (file->free_filename) {
 				efree((char *) file->filename);
 			}
-			file->free_filename = 1;
-			file->filename = estrdup(filename);
+			file->free_filename = 0;
+			file->filename = filename;
 		}
 	}