diff --git a/.appveyor.yml b/.appveyor.yml
index 1d555594..6f1ca0f9 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -69,7 +69,7 @@ install:
         if (Test-Path c:\protobuf-release) {
             echo "using protobuf from cache"
         } else {
-            Invoke-WebRequest "https://github.com/google/protobuf/releases/download/v$env:protobuf_ver/protobuf-cpp-$env:protobuf_ver.zip" -OutFile c:\protobuf-cpp-$env:protobuf_ver.zip
+            Invoke-WebRequest "https://github.com/protocolbuffers/protobuf/releases/download/v$env:protobuf_ver/protobuf-cpp-$env:protobuf_ver.zip" -OutFile c:\protobuf-cpp-$env:protobuf_ver.zip
             Expand-Archive -Path c:\protobuf-cpp-$env:protobuf_ver.zip -DestinationPath c:\
             Set-Location -Path C:\protobuf-$env:protobuf_ver\cmake
             cmake . -G "$env:cmake_generator" -T "$env:cmake_toolset" -Dprotobuf_BUILD_TESTS=0 -Dprotobuf_MSVC_STATIC_RUNTIME=0 -DCMAKE_INSTALL_PREFIX=c:/protobuf-release
diff --git a/common/room_message_type.h b/common/room_message_type.h
index 8439ce93..f5114025 100644
--- a/common/room_message_type.h
+++ b/common/room_message_type.h
@@ -3,7 +3,7 @@
 
 #ifdef Q_OS_OSX
 // avoid collision from Mac OS X's ConditionalMacros.h
-// https://code.google.com/p/protobuf/issues/detail?id=119
+// https://github.com/protocolbuffers/protobuf/issues/119
 #undef TYPE_BOOL
 #endif
 #include "pb/event_room_say.pb.h"
diff --git a/common/user_level.h b/common/user_level.h
index fb0731ae..57daee49 100644
--- a/common/user_level.h
+++ b/common/user_level.h
@@ -3,7 +3,7 @@
 
 #ifdef Q_OS_OSX
 // avoid collision from Mac OS X's ConditionalMacros.h
-// https://code.google.com/p/protobuf/issues/detail?id=119
+// https://github.com/protocolbuffers/protobuf/issues/119
 #undef TYPE_BOOL
 #endif
 #include "pb/serverinfo_user.pb.h"