diff --git a/du3/program.c b/du3/program.c
index d5a0c9d..d88b999 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -28,7 +28,7 @@ struct stack* create_stack (int capacity) {
 
 void push_stack(struct stack* s, float value) {
     if (s->size >= s->capacity) {
-        printf("Stack perepolnen!\n");
+        printf("full stack\n");
         exit(1);
     }
     s->values[s->size] = value;