diff --git a/cv8/program.c b/cv8/program.c
index 20fd77a..01dd87f 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -1,9 +1,9 @@
 #include<stdio.h>
 #include<stdlib.h>
 #include<string.h>
-#define SIZE 50
+#define LINESIZE 50
 struct tree{
-    char question[SIZE];
+    char question[LINESIZE];
     struct tree* left;
     struct tree* right;
 };
@@ -19,8 +19,8 @@ int main(){
     struct tree* root = NULL;
     root =  read_tree();
 
-    char resp[SIZE];
-    memset(resp,0,SIZE);
+    char resp[LINESIZE];
+    memset(resp,0,LINESIZE);
     get_input(resp);
     if(strlen(resp)>1){
         printf("Expert z bufetu to vie.\n");
@@ -45,8 +45,8 @@ int main(){
 
 
 struct tree* read_tree(){
-    char buffer[SIZE];
-    memset(buffer,0,SIZE);
+    char buffer[LINESIZE];
+    memset(buffer,0,LINESIZE);
 
     int flag = get_input(buffer);
     if(flag==-1){
@@ -56,7 +56,7 @@ struct tree* read_tree(){
     }
 
     struct tree* node = calloc(1,sizeof(struct tree));
-    memcpy(node->question,buffer,SIZE);
+    memcpy(node->question,buffer,LINESIZE);
     if(node->question[0]!='*'){
         node->left = read_tree();
         node->right = read_tree();
@@ -66,7 +66,7 @@ struct tree* read_tree(){
 
 
 int get_input(char *string){
-    char* r = fgets(string,SIZE,stdin);
+    char* r = fgets(string,LINESIZE,stdin);
     if(r==NULL){
         return -1;
     }
@@ -83,7 +83,7 @@ void system_execute(struct tree* root){
     if(root->question[0]=='*'){
         return;
     }
-    char *resp = calloc(SIZE,sizeof(char));
+    char *resp = calloc(LINESIZE,sizeof(char));
 
     int flag = get_input(resp);
     if(flag==-1){