diff --git a/src/xdisp.c b/src/xdisp.c
index 763af7d3bc8..46611628d06 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -9905,6 +9905,7 @@ #define IT_RESET_X_ASCENT_DESCENT(IT)			\
 	  /* More than one glyph or glyph doesn't fit on line.  All
 	     glyphs have the same width.  */
 	  int single_glyph_width = it->pixel_width / it->nglyphs;
+	  int single_glyph_halfwidth = single_glyph_width / 2;
 	  int new_x;
 	  int x_before_this_char = x;
 	  int hpos_before_this_char = it->hpos;
@@ -9914,7 +9915,7 @@ #define IT_RESET_X_ASCENT_DESCENT(IT)			\
 	      new_x = x + single_glyph_width;
 
 	      /* We want to leave anything reaching TO_X to the caller.  */
-	      if ((op & MOVE_TO_X) && new_x > to_x)
+	      if ((op & MOVE_TO_X) && (x + single_glyph_halfwidth) > to_x)
 		{
 		  if (BUFFER_POS_REACHED_P ())
 		    {