diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 6ee2e4fb148146ace18b2e5a7414e6a89d5d3e2f..648c609caba0da955ec2298a54845495510543ac 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -18,7 +18,7 @@ extern "C" {
 struct file {
 	struct file *next;
 	struct file *parent;
-	char *name;
+	const char *name;
 	int lineno;
 	int flags;
 };
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 5d5f1872d651f5742b7f40b765405fcd7325b5f6..753cdbd7b80590abf05a0c86a6eb06153b11e774 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -76,7 +76,7 @@ FILE *zconf_fopen(const char *name);
 void zconf_initscan(const char *name);
 void zconf_nextfile(const char *name);
 int zconf_lineno(void);
-char *zconf_curname(void);
+const char *zconf_curname(void);
 
 /* conf.c */
 void xfgets(char *str, int size, FILE *in);
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index d8f7236cb0a376e91a0254882cdcd17d1ee91c9b..2b0265082d0aa95b88e7b5f7ee3953be93000fee 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -353,7 +353,7 @@ int zconf_lineno(void)
 	return current_pos.lineno;
 }
 
-char *zconf_curname(void)
+const char *zconf_curname(void)
 {
 	return current_pos.file ? current_pos.file->name : "<none>";
 }