diff --git a/kubo_dynarray.h b/kubo_dynarray.h
index 71f1d07..3da8d35 100644
--- a/kubo_dynarray.h
+++ b/kubo_dynarray.h
@@ -86,7 +86,7 @@
     static inline void name##_del(struct name *arr, size_t index) {            \
         assert(index < arr->count);                                            \
         memmove(arr->data + index, arr->data + index + 1,                      \
-                (--arr->count - index) * sizeof(struct name));                 \
+                (--arr->count - index) * sizeof(type));                        \
     }
 
 #endif