diff --git a/builtin/difftool.c b/builtin/difftool.c
index a130faae4f..63308b1ca7 100644
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -662,6 +662,9 @@ finish:
 
 	free(lbase_dir);
 	free(rbase_dir);
+	strbuf_release(&info);
+	strbuf_release(&lpath);
+	strbuf_release(&rpath);
 	strbuf_release(&ldir);
 	strbuf_release(&rdir);
 	strbuf_release(&wtdir);