diff --git a/du6/program.c b/du6/program.c
index ac10b0c..326d569 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -15,6 +15,7 @@ int main(){
     scanf("%d\n", &pocet);
     if(pocet<1){
         puts("Nespravny vstup");
+        return 0;
     }
     while(fgets(riadok,50,stdin)!=NULL && riadok[0]!='\n'){
         if(riadok[strlen(riadok)-1]=='\n'){