diff --git a/core/clist.c b/core/clist.c
index a89bbc549e152af370aa286fa014907360610da7..c776d64f7b443069977b160d4ae8d24926049810 100644
--- a/core/clist.c
+++ b/core/clist.c
@@ -78,6 +78,8 @@ clist_node_t *_clist_sort(clist_node_t *list, clist_cmp_func_t cmp)
             for (i = 0; i < insize; i++) {
                 psize++;
                 q = (q->next == oldhead) ? NULL : q->next;
+                /* cppcheck-suppress nullPointer
+                 * (reason: possible bug in cppcheck 1.6x) */
                 if (!q) {
                     break;
                 }