diff --git a/include/gdb/ChangeLog b/include/gdb/ChangeLog
index d9618014a..142f87ae3 100644
--- a/include/gdb/ChangeLog
+++ b/include/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-15  Steve Ellcey  <sellcey@mips.com>
+
+	* gdb/remote-sim.h (sim_command_completer): Make char arguments const.
+
 2013-01-01  Joel Brobecker  <brobecker@adacore.com>
 
 	Update year range in copyright notice of all files.
diff --git a/include/gdb/remote-sim.h b/include/gdb/remote-sim.h
index 43c22ebc3..113030c82 100644
--- a/include/gdb/remote-sim.h
+++ b/include/gdb/remote-sim.h
@@ -278,7 +278,7 @@ void sim_do_command (SIM_DESC sd, char *cmd);
 /* Complete a command based on the available sim commands.  Returns an
    array of possible matches.  */
 
-char **sim_complete_command (SIM_DESC sd, char *text, char *word);
+char **sim_complete_command (SIM_DESC sd, const char *text, const char *word);
 
 #ifdef __cplusplus
 }