diff --git a/src/xdisp.c b/src/xdisp.c
index e5162702eb5..84a407ed074 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -14611,7 +14611,7 @@ display_string (string, lisp_string, face_string, face_string_pos,
 		}
 	      break;
 	    }
-	  else if (x + glyph->pixel_width > it->first_visible_x)
+	  else if (x + glyph->pixel_width >= it->first_visible_x)
 	    {
 	      /* Glyph is at least partially visible.  */
 	      ++it->hpos;