diff --git a/du4/program b/du4/program
index e436095..574cef1 100755
Binary files a/du4/program and b/du4/program differ
diff --git a/du4/program.c b/du4/program.c
index 21f7f18..8c0144e 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -30,7 +30,7 @@ int main() {
     
     if (studentCount == 0) {
         printf("Nepodarilo nacitat nic\n");
-        return 1;
+        return 0;
     }
     
     for (int i = 0; i < studentCount; i++) {