diff --git a/tests/main/main.c b/tests/main/main.c
index 0ebfc66..06191c2 100644
--- a/tests/main/main.c
+++ b/tests/main/main.c
@@ -61,6 +61,7 @@ int main(void)
     cmc_run(HashSet, units, tests);
     cmc_run(HashSetIter, units, tests);
     cmc_run(Heap, units, tests);
+    cmc_run(HeapIter, units, tests);
     cmc_run(IntervalHeap, units, tests);
     cmc_run(LinkedList, units, tests);
     cmc_run(List, units, tests);