diff --git a/cv5/program.c b/cv5/program.c
index d1650d5..9a578be 100644
--- a/cv5/program.c
+++ b/cv5/program.c
@@ -22,6 +22,10 @@ int main()
     int size = 0;
     while(loading_the_entire_line_from_standard_input_into_the_helper_field_and_verify_that_i_have_loaded_it_correctly(databaza,&size)){
     }
+    if(size==0){
+        printf("Nepodarilo nacitat nic\n");
+        return 0;
+    }
     int element_size=SIZE+sizeof(int);
     qsort((void *)databaza, size,element_size,compar);
     printf("Vysledky:\n");