1 files changed, 2 insertions, 1 deletions
diff --git a/diff.c b/diff.c
index 643f4f3..2253ec8 100644
--- a/diff.c
+++ b/diff.c
@@ -4634,7 +4634,8 @@ void diff_setup_done(struct diff_options *options)
 	 * inside contents.
 	 */
 
-	if ((options->xdl_opts & XDF_WHITESPACE_FLAGS))
+	if ((options->xdl_opts & XDF_WHITESPACE_FLAGS) ||
+	    options->ignore_regex_nr)
 		options->flags.diff_from_contents = 1;
 	else
 		options->flags.diff_from_contents = 0;