diff --git a/du3/program.c b/du3/program.c
index b5c401f..ac6d06f 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -51,7 +51,7 @@ int main() {
         result2 = round(result2 * 100) / 100;
 
         if (fabs(result2 - result) < cislo123) {
-            printf("Ok\n");
+            printf("OK\n");
         } else {
             printf("Zle\n");
         }
diff --git a/du3/program.exe b/du3/program.exe
index 2977424..3a123cf 100644
Binary files a/du3/program.exe and b/du3/program.exe differ