diff --git a/builtin-apply.c b/builtin-apply.c
index 11a5277a69f4cb5c02fb8c9a9312ebafdc472028..f70ee98e2d68385124ac75b2c53f068e63a6bf86 100644
--- a/builtin-apply.c
+++ b/builtin-apply.c
@@ -1043,10 +1043,14 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc
 		 * then not having oldlines means the patch is creation,
 		 * and not having newlines means the patch is deletion.
 		 */
-		if (patch->is_new < 0 && !oldlines)
+		if (patch->is_new < 0 && !oldlines) {
 			patch->is_new = 1;
-		if (patch->is_delete < 0 && !newlines)
+			patch->old_name = NULL;
+		}
+		if (patch->is_delete < 0 && !newlines) {
 			patch->is_delete = 1;
+			patch->new_name = NULL;
+		}
 	}
 
 	if (0 < patch->is_new && oldlines)