- correct typo
diff --git a/networking/libiproute/utils.c b/networking/libiproute/utils.c
index 2e2aa90..16ac300 100644
--- a/networking/libiproute/utils.c
+++ b/networking/libiproute/utils.c
@@ -240,7 +240,7 @@
 	exit(-1);
 }
 
-void invarg(const char const *arg, const char const *opt)
+void invarg(const char * const arg, const char * const opt)
 {
 	bb_error_msg(bb_msg_invalid_arg, arg, opt);
 	exit(-1);
diff --git a/networking/libiproute/utils.h b/networking/libiproute/utils.h
index af286c8..6763123 100644
--- a/networking/libiproute/utils.h
+++ b/networking/libiproute/utils.h
@@ -77,7 +77,7 @@
 extern const char *format_host(int af, int len, void *addr, char *buf, int buflen);
 extern const char *rt_addr_n2a(int af, int len, void *addr, char *buf, int buflen);
 
-void invarg(const char const*, const char const*) ATTRIBUTE_NORETURN;
+void invarg(const char * const, const char * const) ATTRIBUTE_NORETURN;
 void duparg(char *, char *) ATTRIBUTE_NORETURN;
 void duparg2(char *, char *) ATTRIBUTE_NORETURN;
 int matches(char *arg, char *pattern);