diff --git a/src/ChangeLog b/src/ChangeLog
index 1d3d4d65174..47d9dbe5aa2 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-03-23  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* term.c (produce_glyphless_glyph): Remove unnecessary test.
+
 	* cm.c (calccost): Turn while-do into do-while, for clarity.
 
 	Fix more problems found by GCC 4.5.2's static checks.
diff --git a/src/term.c b/src/term.c
index e84bbe125f8..94fafd73ed8 100644
--- a/src/term.c
+++ b/src/term.c
@@ -1952,7 +1952,7 @@ produce_glyphless_glyph (struct it *it, int for_no_font, Lisp_Object acronym)
 
   it->pixel_width = len;
   it->nglyphs = len;
-  if (len > 0 && it->glyph_row)
+  if (it->glyph_row)
     append_glyphless_glyph (it, face_id, str);
 }