diff --git a/system/lib/libc/musl/src/network/recvmmsg.c b/system/lib/libc/musl/src/network/recvmmsg.c
index 58b1b2f635bde..d8a4df5d228e2 100644
--- a/system/lib/libc/musl/src/network/recvmmsg.c
+++ b/system/lib/libc/musl/src/network/recvmmsg.c
@@ -5,7 +5,7 @@
 
 int recvmmsg(int fd, struct mmsghdr *msgvec, unsigned int vlen, unsigned int flags, struct timespec *timeout)
 {
-#if LONG_MAX > INT_MAX
+#if LONG_MAX > INT_MAX && !defined(__EMSCRIPTEN__)
 	struct mmsghdr *mh = msgvec;
 	unsigned int i;
 	for (i = vlen; i; i--, mh++)
diff --git a/system/lib/libc/musl/src/network/recvmsg.c b/system/lib/libc/musl/src/network/recvmsg.c
index 4f526659183de..80564b6d516c3 100644
--- a/system/lib/libc/musl/src/network/recvmsg.c
+++ b/system/lib/libc/musl/src/network/recvmsg.c
@@ -6,7 +6,7 @@
 ssize_t recvmsg(int fd, struct msghdr *msg, int flags)
 {
 	ssize_t r;
-#if LONG_MAX > INT_MAX
+#if LONG_MAX > INT_MAX && !defined(__EMSCRIPTEN__)
 	struct msghdr h, *orig = msg;
 	if (msg) {
 		h = *msg;
@@ -15,7 +15,7 @@ ssize_t recvmsg(int fd, struct msghdr *msg, int flags)
 	}
 #endif
 	r = socketcall_cp(recvmsg, fd, msg, flags, 0, 0, 0);
-#if LONG_MAX > INT_MAX
+#if LONG_MAX > INT_MAX && !defined(__EMSCRIPTEN__)
 	if (orig) *orig = h;
 #endif
 	return r;
diff --git a/system/lib/libc/musl/src/network/sendmsg.c b/system/lib/libc/musl/src/network/sendmsg.c
index 5f080007bf90e..afd12c693c674 100644
--- a/system/lib/libc/musl/src/network/sendmsg.c
+++ b/system/lib/libc/musl/src/network/sendmsg.c
@@ -7,7 +7,7 @@
 
 ssize_t sendmsg(int fd, const struct msghdr *msg, int flags)
 {
-#if LONG_MAX > INT_MAX
+#if LONG_MAX > INT_MAX && !defined(__EMSCRIPTEN__)
 	struct msghdr h;
 	struct cmsghdr chbuf[1024/sizeof(struct cmsghdr)+1], *c;
 	if (msg) {