diff --git a/src/lxc/utils.h b/src/lxc/utils.h
index f5412536f..f6f3373e4 100644
--- a/src/lxc/utils.h
+++ b/src/lxc/utils.h
@@ -39,7 +39,7 @@ extern void lxc_setup_fs(void);
 extern int get_u16(unsigned short *val, const char *arg, int base);
 extern int mkdir_p(const char *dir, mode_t mode);
 extern void remove_trailing_slashes(char *p);
-extern const char *get_rundir(void);
+extern char *get_rundir(void);
 
 extern const char *lxc_global_config_value(const char *option_name);