diff --git a/du1/program.c b/du1/program.c
index 0ece4b3..5bbfcc2 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -28,7 +28,7 @@ int main(){
     printf("%c\n", change(text[i]));
   }
   
-  for(int i = -1; i < num; i++){
+  for(int i = 0; i < num; i++){
    printf("\n"); 
   }