diff --git a/bin/xbps-uchroot/main.c b/bin/xbps-uchroot/main.c
index f9e1f12b..fa2a6570 100644
--- a/bin/xbps-uchroot/main.c
+++ b/bin/xbps-uchroot/main.c
@@ -152,6 +152,7 @@ add_bindmount(char *bm)
 	size_t len;
 
 	src = strdup(bm);
+	assert(src);
 	dest = strchr(bm, ':');
 	if (dest == NULL || *dest == '\0') {
 		errno = EINVAL;