diff --git a/core/libs/prx/libkernel/Socket/src/Udp.cpp b/core/libs/prx/libkernel/Socket/src/Udp.cpp
index 08e39685e..36980844d 100644
--- a/core/libs/prx/libkernel/Socket/src/Udp.cpp
+++ b/core/libs/prx/libkernel/Socket/src/Udp.cpp
@@ -596,7 +596,7 @@ int APS5_VABI setsockopt_nid_postfix(int descriptor, int level, int option,
     if (!socket) return -1;
     const int nativeOption = Option(option);
     if (level != 0xffff || nativeOption == -1) return Fail(42);
-    if (!value || length != sizeof(int)) return Fail(22);
+    if (!value || length < sizeof(int)) return Fail(22);
     return ::setsockopt(socket->value, SOL_SOCKET, nativeOption,
         static_cast<const char*>(value), sizeof(int)) ? Fail(NativeError()) : 0;
 }
diff --git a/core/libs/tests/GuestUdp.cpp b/core/libs/tests/GuestUdp.cpp
index fb9acba81..c1b4db8b8 100644
--- a/core/libs/tests/GuestUdp.cpp
+++ b/core/libs/tests/GuestUdp.cpp
@@ -124,6 +124,12 @@ int main() {
     int option = 0;
     std::uint32_t optionSize = sizeof(option);
     Require(getsockopt_nid_postfix(sender, 0xffff, 0x20, &option, &optionSize) == 0 && option != 0);
+    for (const std::int64_t wide : {0, 1}) {
+        Require(setsockopt_nid_postfix(sender, 0xffff, 0x20, &wide, sizeof(wide)) == 0);
+        optionSize = sizeof(option);
+        Require(getsockopt_nid_postfix(sender, 0xffff, 0x20, &option, &optionSize) == 0 && (option != 0) == (wide != 0));
+    }
+    Require(setsockopt_nid_postfix(sender, 0xffff, 0x20, &enabled, 2) == -1 && *__error_nid_postfix() == 22);
     Require(setsockopt_nid_postfix(sender, 0xffff, 12345, &enabled, sizeof(enabled)) == -1);
     Require(*__error_nid_postfix() == 42);
     const int unconnected = socket_nid_postfix(2, 2, 0);