diff --git a/drivers/gpu/drm/xe/xe_rtp.c b/drivers/gpu/drm/xe/xe_rtp.c
index fb44cc7521d8..10326bd1bfa3 100644
--- a/drivers/gpu/drm/xe/xe_rtp.c
+++ b/drivers/gpu/drm/xe/xe_rtp.c
@@ -200,7 +200,7 @@ static void rtp_mark_active(struct xe_device *xe,
 	if (first == last)
 		bitmap_set(ctx->active_entries, first, 1);
 	else
-		bitmap_set(ctx->active_entries, first, last - first + 2);
+		bitmap_set(ctx->active_entries, first, last - first + 1);
 }
 
 /**