diff --git a/src/newgdi/glyph-css.c b/src/newgdi/glyph-css.c
index cebd8576..f5a5748b 100644
--- a/src/newgdi/glyph-css.c
+++ b/src/newgdi/glyph-css.c
@@ -3030,6 +3030,10 @@ int GUIAPI GetGlyphsExtentPointEx(LOGFONT* logfont_upright,
             n++;
             break;
         }
+        else if (!test_overflow && (gis[n].bt & BOV_BREAK_FLAG)) {
+            n++;
+            break;
+        }
 
         n++;
     }