diff --git a/kitty/screen.c b/kitty/screen.c
index 13a2da093..793fb3f52 100644
--- a/kitty/screen.c
+++ b/kitty/screen.c
@@ -28,7 +28,7 @@ static inline void
 init_tabstops(bool *tabstops, index_type count) {
     // In terminfo we specify the number of initial tabstops (it) as 8
     for (unsigned int t=0; t < count; t++) {
-        tabstops[t] = (t+1) % 8 == 0 ? true : false;
+        tabstops[t] = t % 8 == 0 ? true : false;
     }
 }