diff --git a/du2/program.c b/du2/program.c
index c125ccb..9649409 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -6,6 +6,7 @@ int main(){
     int pole[VELKOST_POLA];
     int max_hodnota=0;
     int value=0;
+    int r=0;
 while(i<VELKOST_POLA){
     value=0;
     int r = scanf("%d",&value);