Index: source/network/NetMessage.cpp
===================================================================
--- source/network/NetMessage.cpp
+++ source/network/NetMessage.cpp
@@ -216,7 +216,8 @@
 		break;
 
 	default:
-		LOGERROR("CNetMessageFactory::CreateMessage(): Unknown message type '%d' received", header.GetType());
+		LOGERROR("CNetMessageFactory::CreateMessage(): Unknown message type '%d' received",
+			static_cast<int>(header.GetType()));
 		break;
 	}
 
Index: source/simulation2/serialization/BinarySerializer.cpp
===================================================================
--- source/simulation2/serialization/BinarySerializer.cpp
+++ source/simulation2/serialization/BinarySerializer.cpp
@@ -52,7 +52,7 @@
 	case js::Scalar::Uint8Clamped:
 		return SCRIPT_TYPED_ARRAY_UINT8_CLAMPED;
 	default:
-		LOGERROR("Cannot serialize unrecognized typed array view: %d", arrayType);
+		LOGERROR("Cannot serialize unrecognized typed array view: %d", static_cast<int>(arrayType));
 		throw PSERROR_Serialize_InvalidScriptValue();
 	}
 }