diff --git a/supervisor.c b/supervisor.c
index fd9d1cb..34fb04e 100644
--- a/supervisor.c
+++ b/supervisor.c
@@ -91,15 +91,15 @@ void getSolution(sem_t *sUsedSpace, sem_t *sFreeSpace)
 		solution[i] = -1;
 	}
 
-	if (shared->head == -1) {
+	if (shared->data[shared->head] == -1) {
 		wait_sem(sUsedSpace);
 		shared->head = (shared->head + 1) % MAX_ITEMS;
 		sem_post(sFreeSpace);
 	} else {
 		int i = 0;
-		while (shared->head != -1) {
+		while (shared->data[shared->head] != -1) {
 			wait_sem(sUsedSpace);
-			solution[i] = shared->head;
+			solution[i] = shared->data[shared->head];
 			shared->head = (shared->head + 1) % MAX_ITEMS;
 			sem_post(sFreeSpace);
 			i++;