diff --git a/du4/program.c b/du4/program.c
index ea316cc..ca682f1 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -14,6 +14,9 @@ int main(){
     check *= 100000;
     int tmp = check;
     check = (float) tmp / 100000;
+    answer *= 100000;
+    tmp = answer;
+    answer = (float) tmp / 100000;
     printf("%s\n", (check == answer) ? "OK" : "ZLE");
     //printf("%f\n", check);
 }