diff --git a/include/core/logger.hpp b/include/core/logger.hpp
index a927abee..fa8e8158 100644
--- a/include/core/logger.hpp
+++ b/include/core/logger.hpp
@@ -26,6 +26,10 @@ enum class LogLevel {
     FATAL
 };
 
+// Avoid direct token use of `ERROR` at call sites because Windows headers
+// define `ERROR` as a macro.
+inline constexpr LogLevel kLogLevelError = LogLevel::ERROR;
+
 class Logger {
 public:
     static Logger& getInstance();
@@ -128,7 +132,7 @@ private:
 
 #define LOG_ERROR(...) do { \
     auto& _wowee_logger = wowee::core::Logger::getInstance(); \
-    if (_wowee_logger.shouldLog(wowee::core::LogLevel::ERROR)) { \
+    if (_wowee_logger.shouldLog(wowee::core::kLogLevelError)) { \
         _wowee_logger.error(__VA_ARGS__); \
     } \
 } while (0)
diff --git a/src/core/logger.cpp b/src/core/logger.cpp
index f513b836..cdc1afc6 100644
--- a/src/core/logger.cpp
+++ b/src/core/logger.cpp
@@ -49,7 +49,7 @@ void Logger::ensureFile() {
         if (v == "debug") setLogLevel(LogLevel::DEBUG);
         else if (v == "info") setLogLevel(LogLevel::INFO);
         else if (v == "warn" || v == "warning") setLogLevel(LogLevel::WARNING);
-        else if (v == "error") setLogLevel(LogLevel::ERROR);
+        else if (v == "error") setLogLevel(kLogLevelError);
         else if (v == "fatal") setLogLevel(LogLevel::FATAL);
     }
     std::error_code ec;
@@ -83,7 +83,7 @@ void Logger::emitLineLocked(LogLevel level, const std::string& message) {
         case LogLevel::DEBUG:   line << "DEBUG"; break;
         case LogLevel::INFO:    line << "INFO "; break;
         case LogLevel::WARNING: line << "WARN "; break;
-        case LogLevel::ERROR:   line << "ERROR"; break;
+        case kLogLevelError:    line << "ERROR"; break;
         case LogLevel::FATAL:   line << "FATAL"; break;
     }
 
diff --git a/src/main.cpp b/src/main.cpp
index 97930e30..d3811b3b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -38,7 +38,7 @@ static wowee::core::LogLevel readLogLevelFromEnv() {
     if (level == "debug") return wowee::core::LogLevel::DEBUG;
     if (level == "info") return wowee::core::LogLevel::INFO;
     if (level == "warn" || level == "warning") return wowee::core::LogLevel::WARNING;
-    if (level == "error") return wowee::core::LogLevel::ERROR;
+    if (level == "error") return wowee::core::kLogLevelError;
     if (level == "fatal") return wowee::core::LogLevel::FATAL;
     return wowee::core::LogLevel::WARNING;
 }