diff --git a/src/libnm-glib-aux/nm-uuid.c b/src/libnm-glib-aux/nm-uuid.c
index e39d2ea563..154b483070 100644
--- a/src/libnm-glib-aux/nm-uuid.c
+++ b/src/libnm-glib-aux/nm-uuid.c
@@ -433,7 +433,7 @@ nm_uuid_generate_from_strings_strv(NMUuidType         uuid_type,
 {
     nm_auto_str_buf NMStrBuf str = NM_STR_BUF_INIT_A(NM_UTILS_GET_NEXT_REALLOC_SIZE_232, TRUE);
     gsize                    slen;
-    const char              *s;
+    const char              *s = NULL;
 
     if (len > 0) {
         gboolean has_nulls = FALSE;