diff --git a/du1/program.c b/du1/program.c
index 67e280c..1ea4d13 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -15,13 +15,13 @@ int main() {
 
     if (fgets(line,SIZE,stdin) == NULL){
         printf("Nepodarilo sa nacitat zaklad x\n");
-        return 1;
+        return 0;
 }
     x = strtod(line, &end);
 
     if(end == line){
        printf("Nepodarilo sa nacitat zaklad x\n");
-        return 1;
+        return 0;
 }
 
 while(fgets(line,SIZE,stdin) != NULL){