diff --git a/du4/program.c b/du4/program.c
index 9d29419..ed5a8fa 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -24,7 +24,7 @@ int call( double A,  double B,  double C, char AC){
          double Cc=A/B;
         Cc=(int)(Cc*100000);
         Cc=(float)Cc/100000;
-        if(Cc==C || A/B==C)return printf("OK\n");
+        if(Cc==C || A/B==C || cC==C)return printf("OK\n");
         return printf("ZLE\n");
     }
     return printf("CHYBA\n");