diff --git a/ApplicationCode/CMakeLists.txt b/ApplicationCode/CMakeLists.txt
index 5d9401515d..8aba9346fc 100644
--- a/ApplicationCode/CMakeLists.txt
+++ b/ApplicationCode/CMakeLists.txt
@@ -337,7 +337,7 @@ if (MSVC)
     set( EXE_FILES WIN32)
     if (RESINSIGHT_ENABLE_GRPC)
         # GRPC generates a lot of harmless warnings on MSVC
-        set_source_files_properties(${GRPC_CPP_SOURCES} ${GRPC_UNIT_TEST_SOURCE_FILES} PROPERTIES COMPILE_FLAGS "/wd4251 /wd4702 /wd4005 /wd4244 /wd4125")
+        set_source_files_properties(${GRPC_CPP_SOURCES} ${GRPC_UNIT_TEST_SOURCE_FILES} PROPERTIES COMPILE_FLAGS "/wd4251 /wd4702 /wd4005 /wd4244 /wd4125 /wd4267")
     endif(RESINSIGHT_ENABLE_GRPC)
 elseif (APPLE)
     set( EXE_FILES MACOSX_BUNDLE)
diff --git a/ApplicationCode/GrpcInterface/CMakeLists.cmake b/ApplicationCode/GrpcInterface/CMakeLists.cmake
index d467b67587..7fa9cbe241 100644
--- a/ApplicationCode/GrpcInterface/CMakeLists.cmake
+++ b/ApplicationCode/GrpcInterface/CMakeLists.cmake
@@ -33,7 +33,7 @@ if (MSVC)
 
     # Find Protobuf installation
     # Looks for protobuf-config.cmake file installed by Protobuf's cmake installation.
-    set(protobuf_MODULE_COMPATIBLE ON CACHE DBOOL "")
+    set(protobuf_MODULE_COMPATIBLE ON)
     find_package(Protobuf CONFIG 3.0 QUIET)
 	if (Protobuf_FOUND)
 		message(STATUS "Using protobuf ${protobuf_VERSION}")