diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index d5cec775a0e..5182809c1a4 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@
+2015-02-05  Alan Modra  <amodra@gmail.com>
+
+	PR binutils/17926
+	* dwarf.c (dwarf_select_sections_by_letters): Don't refer to optarg.
+
 2015-02-04  Nick Clifton  <nickc@redhat.com>
 
 	PR binutils/17531
diff --git a/binutils/dwarf.c b/binutils/dwarf.c
index b65bb7b8ea0..aa197256325 100644
--- a/binutils/dwarf.c
+++ b/binutils/dwarf.c
@@ -7414,7 +7414,7 @@ dwarf_select_sections_by_letters (const char *letters)
 	break;
 
       default:
-	warn (_("Unrecognized debug option '%s'\n"), optarg);
+	warn (_("Unrecognized debug option '%s'\n"), letters);
 	break;
       }
 }