diff --git a/service_win32.cpp b/service_win32.cpp
index 93f8a8f..f60f23b 100644
--- a/service_win32.cpp
+++ b/service_win32.cpp
@@ -840,7 +840,7 @@ bool TunsafeServiceServer::AuthenticateUser() {
   return rv;
 }
 
-static void PushServiceLine(const char *s) {
+static void PushServiceLine(int type, const char *s) {
   if (g_service) {
     char buf[64];
     SYSTEMTIME t;
diff --git a/tunsafe_win32.cpp b/tunsafe_win32.cpp
index 31e807f..4179bf8 100644
--- a/tunsafe_win32.cpp
+++ b/tunsafe_win32.cpp
@@ -1061,7 +1061,7 @@ static INT_PTR WINAPI DlgProc(HWND hWnd, UINT message, WPARAM wParam,
   return FALSE;
 }
 
-void PushLine(const char *s) {
+void PushLine(int type, const char *s) {
   size_t l = strlen(s);
   char buf[64];
   SYSTEMTIME t;
diff --git a/util.cpp b/util.cpp
index 9e340f3..6921c64 100644
--- a/util.cpp
+++ b/util.cpp
@@ -244,7 +244,7 @@ void printhex(const char *name, const void *a, size_t l) {
 }
 #endif
 
-typedef void Logger(const char *msg);
+typedef void Logger(int type, const char *msg);
 Logger *g_logger;
 
 #undef RERROR
@@ -259,7 +259,7 @@ void RERROR(const char *msg, ...) {
   vsnprintf(buf, sizeof(buf), msg, va);
   va_end(va);
   if (g_logger) {
-    g_logger(buf);
+    g_logger(1, buf);
   } else {
     fputs(buf, stderr);
     fputs("\n", stderr);
@@ -274,7 +274,7 @@ void RINFO(const char *msg, ...) {
   vsnprintf(buf, sizeof(buf), msg, va);
   va_end(va);
   if (g_logger) {
-    g_logger(buf);
+    g_logger(0, buf);
   } else {
     fputs(buf, stderr);
     fputs("\n", stderr);
diff --git a/util.h b/util.h
index 72d8521..95efef9 100644
--- a/util.h
+++ b/util.h
@@ -8,7 +8,7 @@ bool base64_decode(uint8 *in, size_t inLen, uint8 *out, size_t *outLen);
 bool IsOnlyZeros(const uint8 *data, size_t data_size);
 
 int RunCommand(const char *fmt, ...);
-typedef void Logger(const char *msg);
+typedef void Logger(int type, const char *msg);
 extern Logger *g_logger;