diff --git a/fbq.c b/fbq.c
index e15af1d..9884037 100644
--- a/fbq.c
+++ b/fbq.c
@@ -430,7 +430,7 @@ int main(int argc, char *argv[]){
 		}
 	}
 	
-	qsort(processes, numberOfProcesses, sizeof(Process*), compareArrivalTime);
+	qsort(processes, numberOfProcesses, sizeof(Process), compareArrivalTime);
 
 	// main execution loop
 	while (numberOfProcesses){
diff --git a/fcfs.c b/fcfs.c
index d1fe3b7..d8514c5 100644
--- a/fcfs.c
+++ b/fcfs.c
@@ -313,7 +313,7 @@ int main(){
 		}
 	}
 
-	qsort(processes, numberOfProcesses, sizeof(Process*), compareArrivalTime);
+	qsort(processes, numberOfProcesses, sizeof(Process), compareArrivalTime);
 
 	// main execution loop
 	while (numberOfProcesses){
diff --git a/rr.c b/rr.c
index aac3431..e1511e9 100644
--- a/rr.c
+++ b/rr.c
@@ -346,7 +346,7 @@ int main(int argc, char *argv[]){
 		}
 	}
 	
-	qsort(processes, numberOfProcesses, sizeof(Process*), compareArrivalTime);
+	qsort(processes, numberOfProcesses, sizeof(Process), compareArrivalTime);
 
 	// main execution loop
 	while (numberOfProcesses){