diff --git a/cv3/program.c b/cv3/program.c
index db85504..1495a46 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -23,7 +23,9 @@ int main(){
         fgets(line, 100, stdin);
         chcf = strtok(line,"\n");
         cf = strtod(line,NULL);
-        chcf1 = *chcf;
+        if(chcf != 0x0){
+            chcf1 = *chcf;
+        }
         if(chcf1 >='A' && line[0] != '\n'){
             printf("Nepodarilo sa nacitat polynom na %d mieste.\n", cfIdx);
             return 1;