diff --git a/desktop_version/CMakeLists.txt b/desktop_version/CMakeLists.txt
index 121441e9..d2d28f9e 100644
--- a/desktop_version/CMakeLists.txt
+++ b/desktop_version/CMakeLists.txt
@@ -150,6 +150,8 @@ ELSEIF(CUSTOM_LEVEL_SUPPORT STREQUAL "DISABLED")
 	ADD_DEFINITIONS(-DNO_CUSTOM_LEVELS -DNO_EDITOR)
 ENDIF()
 
+TARGET_COMPILE_OPTIONS(VVVVVV PRIVATE -Werror=implicit-fallthrough)
+
 # Library information
 ADD_LIBRARY(tinyxml-static STATIC ${XML_SRC})
 ADD_LIBRARY(physfs-static STATIC ${PFS_SRC} ${PFSP_SRC})