diff --git a/source/blender/editors/interface/interface_widgets.cc b/source/blender/editors/interface/interface_widgets.cc
index 8b0708a1e5f..66bb844e52a 100644
--- a/source/blender/editors/interface/interface_widgets.cc
+++ b/source/blender/editors/interface/interface_widgets.cc
@@ -2070,7 +2070,7 @@ static void widget_draw_text(const uiFontStyle *fstyle,
         /* Find left edge of next character if available. */
         int next_left_edge = 0;
         bool has_next = false;
-        if (pos < strlen(drawstr)) {
+        if (pos < strlen(drawstr + but->ofs)) {
           if (BLF_str_offset_to_glyph_bounds(fstyle->uifont_id, drawstr + but->ofs, pos, &bounds))
           {
             next_left_edge = bounds.xmin;