diff --git a/engine/breeze/util/heap.c b/engine/breeze/util/heap.c
index 0868020..9ce11a1 100644
--- a/engine/breeze/util/heap.c
+++ b/engine/breeze/util/heap.c
@@ -21,7 +21,7 @@ static void heapSiftDown(BzHeapHead *head, void *heap);
 
 
 void *_bzHeapCreate(i32 startCapacity, i32 stride, i32 weightOffset) {
-    i32 numBytes = sizeof(BzHeapHead) + startCapacity * stride;
+    i32 numBytes = sizeof(BzHeapHead) + (startCapacity + 1) * stride;
     BzHeapHead *heap = bzAlloc(numBytes);
     heap[0] = (BzHeapHead) {
         .capacity=startCapacity,