diff --git a/du2/program.c b/du2/program.c
index 72e20e8..a7def1d 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -7,6 +7,7 @@ int main(){
   int pocet;
   int max=0;
   int i=0;
+  char pole[];
   memset(pole,0,VELKOST_POLA * sizeof(int));
   for(){    
     if (pole[i] > max){