diff --git a/du6/program.c b/du6/program.c
index 45235fa..2660a36 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -13,7 +13,7 @@ int main(){
 
     for(int i = 0; fgets(inputs[i], 50, stdin) != NULL; i++){
         if(i == 0){
-            freePlaces = strtol(inputs[0], &ptr, 10);
+            freePlaces = (int) strtol(inputs[0], &ptr, 10);
             if(freePlaces < 0 || !isdigit(freePlaces)){
                 printf("Nespravny vstup %d\n", freePlaces);
             }