diff --git a/src/dialogs/options.c b/src/dialogs/options.c
index 08cd052e..292a8865 100644
--- a/src/dialogs/options.c
+++ b/src/dialogs/options.c
@@ -56,7 +56,7 @@ charset_list(struct terminal *term, void *xxx, void *ses_)
 	if (!mi) return;
 
 	for (i = 0, items = 0; ; i++) {
-		char *name = get_cp_name(i);
+		const char *name = get_cp_name(i);
 
 		if (!name) break;
 
diff --git a/src/intl/charsets.c b/src/intl/charsets.c
index 06bb2c37..d091c934 100644
--- a/src/intl/charsets.c
+++ b/src/intl/charsets.c
@@ -51,7 +51,7 @@ struct table_entry {
 };
 
 struct codepage_desc {
-	char *name;
+	const char *name;
 	char *const *aliases;
 
  	/* The Unicode mappings of codepage bytes 0x80...0xFF.
@@ -1622,7 +1622,7 @@ free_charsets_lookup(void)
  * localize these with gettext.  So it may be best not to use this
  * function if the name will have to be converted back to an
  * index.  */
-char *
+const char *
 get_cp_name(int cp_index)
 {
 	if (cp_index < 0) return "none";
diff --git a/src/intl/charsets.h b/src/intl/charsets.h
index 1d86c645..0885749b 100644
--- a/src/intl/charsets.h
+++ b/src/intl/charsets.h
@@ -125,7 +125,7 @@ char *convert_string(struct conv_table *convert_table,
 			      void *callback_data);
 
 int get_cp_index(const char *);
-char *get_cp_name(int);
+const char *get_cp_name(int);
 char *get_cp_config_name(int);
 char *get_cp_mime_name(int);
 const uint16_t *get_cp_highhalf(const char *);