diff --git a/src/mount/main.c b/src/mount/main.c
index f76f355..b49d152 100644
--- a/src/mount/main.c
+++ b/src/mount/main.c
@@ -384,7 +384,7 @@ try_mount(const char *source, const char *target, const char *text_options)
 	} else {
 		char *tmp;

-		tmp = malloc(strlen(remaining + 1));
+		tmp = malloc(strlen(remaining) + 1);
 		if (tmp == NULL) {
 			fprintf(stderr, _("%s: No memory\n"), progname);
 			remaining = NULL;