diff --git a/cv8/program.c b/cv8/program.c
index b5dd5c4..b2b250a 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -96,7 +96,7 @@ void knowledge_system(struct tree* node) {
         return;
     }
 
-    printf("%s", node->value);
+    printf("%s", node->v);
     if (node->left == NULL && node->right == NULL) {
         printf("Koniec\n");
         return;
@@ -106,7 +106,7 @@ void knowledge_system(struct tree* node) {
 
     char response;
     do {
-        printf("%s (a/n) ?\n", node->value);
+        printf("%s (a/n) ?\n", node->v);
         scanf(" %c", &response);
         if (response != 'a' && response != 'n') {
             printf("Nespravny vstup\n");