diff --git a/a1/program.c b/a1/program.c
index 2b21e8d..e82beac 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -82,7 +82,7 @@ int main(){
 
   for (int r = 0; r < n - 1; r++){
     for (int b = 0; b < strlen(riadok[r]); b++){
-      if (riadok[j][g] == '0' && riadok[j][g - 1] == '.'){
+      if (riadok[r][b] == '0' && riadok[r][b - 1] == '.'){
         riadok[r][0] = '9';
         riadok[r][1] = '.';
         riadok[r][2] = '9';