diff --git a/lab01/zad1/src/queue.c b/lab01/zad1/src/queue.c
index 3e5a7bd..19cb6b6 100644
--- a/lab01/zad1/src/queue.c
+++ b/lab01/zad1/src/queue.c
@@ -15,7 +15,7 @@ Queue *queue_new(size_t length, size_t element_size) {
     Queue *ret = malloc(sizeof(Queue));
     ret->back = 0;
     ret->front = 0;
-    ret->length = length;
+    ret->length = length + 1;
     ret->element_size = element_size;
     ret->data = malloc((length + 1) * sizeof(void*));