diff --git a/reactos/drivers/wdm/audio/drivers/CMIDriver/CMakeLists.txt b/reactos/drivers/wdm/audio/drivers/CMIDriver/CMakeLists.txt
index e32a6c54ef2..a0be26acdd8 100644
--- a/reactos/drivers/wdm/audio/drivers/CMIDriver/CMakeLists.txt
+++ b/reactos/drivers/wdm/audio/drivers/CMIDriver/CMakeLists.txt
@@ -38,7 +38,7 @@ if(MSVC)
     set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "/GR-")
 else()
     #add_target_compile_flags(portcls "-fno-exceptions -fno-rtti")
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-fno-exceptions -fno-rtti -Wno-write-strings -Wno-switch")
+    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-fno-exceptions -fno-rtti -Wno-write-strings -Wno-switch -Wno-switch-enum")
 endif()
 
 add_cd_file(TARGET cmipci DESTINATION reactos/system32/drivers FOR all)
@@ -47,3 +47,5 @@ if(ARCH STREQUAL "i386")
 else()
     add_cd_file(FILE "${CMAKE_CURRENT_SOURCE_DIR}/CM8738-x64-WaveRT.inf" DESTINATION reactos/inf FOR all)
 endif()
+
+allow_warnings(cmipci)