diff --git a/modules/input/imwayland.c b/modules/input/imwayland.c
index 8f697bec1b..12d18a0f64 100644
--- a/modules/input/imwayland.c
+++ b/modules/input/imwayland.c
@@ -322,7 +322,7 @@ notify_surrounding_text (GtkIMContextWayland *context)
           mid = MIN (context->surrounding.cursor_idx,
                      context->surrounding.anchor_idx) + (cursor_len / 2);
           a = MAX (0, mid - (MAX_LEN / 2));
-          b = MIN (MAX_LEN, mid + (MAX_LEN / 2));
+          b = MIN (len, mid + (MAX_LEN / 2));
 
           start = &context->surrounding.text[a];
           end = &context->surrounding.text[b];