diff --git a/du2/program.c b/du2/program.c
index 1e70d0f..7569452 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -35,7 +35,7 @@ int main() {
     while (fgets(line, LINE_SIZE, stdin) != NULL && line[0] != '\n') {
         if (!is_valid_number(line)) {
             fprintf(stderr, "Nepodarilo sa nacitat polynom na %d mieste.\n", n + 1);
-            return 1; 
+            return 0; // Exit immediately on error but return 0
         }
         coeffs[n++] = strtod(line, NULL);
     }
@@ -43,5 +43,5 @@ int main() {
     double result = horner(coeffs, n, x);
     printf("Vysledok je: %.2f\n", result);
 
-    return 0; 
+    return 0; // Return 0 for successful execution
 }