diff --git a/src/core/libraries/network/net.h b/src/core/libraries/network/net.h
index 064106f6f..1912a9c5a 100644
--- a/src/core/libraries/network/net.h
+++ b/src/core/libraries/network/net.h
@@ -38,6 +38,7 @@ enum OrbisNetProtocol : u32 {
     ORBIS_NET_IPPROTO_IGMP = 2,
     ORBIS_NET_IPPROTO_TCP = 6,
     ORBIS_NET_IPPROTO_UDP = 17,
+    ORBIS_NET_IPPROTO_IPV6 = 41,
     ORBIS_NET_SOL_SOCKET = 0xFFFF
 };
 
diff --git a/src/core/libraries/network/posix_sockets.cpp b/src/core/libraries/network/posix_sockets.cpp
index 2142adc3c..eddf1f2f9 100644
--- a/src/core/libraries/network/posix_sockets.cpp
+++ b/src/core/libraries/network/posix_sockets.cpp
@@ -128,8 +128,12 @@ static int ConvertLevels(int level) {
         return IPPROTO_IP;
     case ORBIS_NET_IPPROTO_TCP:
         return IPPROTO_TCP;
+    case ORBIS_NET_IPPROTO_UDP:
+        return IPPROTO_UDP;
+    case ORBIS_NET_IPPROTO_IPV6:
+        return IPPROTO_IPV6;
     default:
-        UNREACHABLE_MSG("{}", level);
+        UNREACHABLE_MSG("unhandled socket level {}", level);
     }
 }