diff --git a/source/blender/windowmanager/intern/wm_files.c b/source/blender/windowmanager/intern/wm_files.c
index a3cbb2b6eec..5bd2bb88f84 100644
--- a/source/blender/windowmanager/intern/wm_files.c
+++ b/source/blender/windowmanager/intern/wm_files.c
@@ -991,7 +991,7 @@ int wm_file_write(bContext *C, const char *filepath, int fileflags, ReportList *
 		/* run this function after because the file cant be written before the blend is */
 		if (ibuf_thumb) {
 			IMB_thumb_delete(filepath, THB_FAIL); /* without this a failed thumb overrides */
-			ibuf_thumb = IMB_thumb_create(filepath, THB_NORMAL, THB_SOURCE_BLEND, ibuf_thumb);
+			ibuf_thumb = IMB_thumb_create(filepath, THB_LARGE, THB_SOURCE_BLEND, ibuf_thumb);
 			IMB_freeImBuf(ibuf_thumb);
 		}