diff --git a/src/posix/platform/infra_if.cpp b/src/posix/platform/infra_if.cpp
index 9f93d2b1c..11f1562c6 100644
--- a/src/posix/platform/infra_if.cpp
+++ b/src/posix/platform/infra_if.cpp
@@ -331,7 +331,7 @@ void InfraNetif::Init(const char *aIfName)
 #ifdef __linux__
     rval = setsockopt(mInfraIfIcmp6Socket, SOL_SOCKET, SO_BINDTODEVICE, mInfraIfName, strlen(mInfraIfName));
 #else  // __NetBSD__ || __FreeBSD__ || __APPLE__
-    rval = setsockopt(mInfraIfIcmp6Socket, IPPROTO_IP, IP_BOUND_IF, &mInfraIfIndex, sizeof(mInfraIfIndex));
+    rval = setsockopt(mInfraIfIcmp6Socket, IPPROTO_IPV6, IPV6_BOUND_IF, &mInfraIfIndex, sizeof(mInfraIfIndex));
 #endif // __linux__
     VerifyOrDie(rval == 0, OT_EXIT_ERROR_ERRNO);