diff --git a/cars_1.c b/cars_1.c
index 6c73374ed99a9057ed904da13ea7051d0db349dc..63d500f61abb96161fb1a719e8b21ce24c94941d 100644
--- a/cars_1.c
+++ b/cars_1.c
@@ -9,8 +9,8 @@
 #define crosses 100000
 int car_on_bridge = 0;
 
-void* func(void* arg){
-    int car_id = *(int*)arg;
+void* func(void* ptr){
+    int car_id = *(int*)ptr;
     int crosses_counter = 0;
     while (crosses_counter < crosses){
         while (car_on_bridge == 1){