1 files changed, 1 insertions, 1 deletions

diff --git a/diff.c b/diff.c
index 05d0814e27..5388ded214 100644
--- a/diff.c
+++ b/diff.c
@@ -2210,7 +2210,7 @@ static void builtin_diff(const char *name_a,
 		struct emit_callback ecbdata;
 		const struct userdiff_funcname *pe;
 
-		if (!DIFF_XDL_TST(o, WHITESPACE_FLAGS) || must_show_header) {
+		if (must_show_header) {
 			fprintf(o->file, "%s", header.buf);
 			strbuf_reset(&header);
 		}