diff --git a/generator.c b/generator.c
index 43d5259..5673910 100644
--- a/generator.c
+++ b/generator.c
@@ -177,14 +177,14 @@ void putSolution(sem_t sUsedSpace, sem_t sFreeSpace, sem_t sWriteEnd, int *solut
 	if (solution[0] == -1) {
 		sem_wait(&sFreeSpace);
 		shared->data[shared->tail] = -1;
-		shared->tail = (shared->tail + 1) % MAX_ITEMS;
+		shared->tail = (shared->tail + 1) % CIRC_BUF_SIZE;
 		sem_post(&sUsedSpace);
 	} else {
 		int i = 0;
 		while (solution[i] != -1) {
 			sem_wait(&sFreeSpace);
 			shared->data[shared->tail] = solution[i];
-			shared->tail = (shared->tail + 1) % MAX_ITEMS;
+			shared->tail = (shared->tail + 1) % CIRC_BUF_SIZE;
 			sem_post(&sUsedSpace);
 			i++;
 		}