diff --git a/CMakeLists.txt b/CMakeLists.txt
index db13eda9..f6cbfca2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,12 +73,12 @@ add_subdirectory(lib/bgfx-cmake)
 add_subdirectory(lib/ZenLib)
 
 # Set up bullet
-set(USE_GRAPHICAL_BENCHMARK OFF)
-set(USE_MSVC_RUNTIME_LIBRARY_DLL ON) # Don't statically link this
-set(BUILD_BULLET2_DEMOS OFF) # No samples
-set(BUILD_OPENGL3_DEMOS OFF) # No samples
-set(BUILD_UNIT_TESTS OFF) # No tests
-set(BUILD_CPU_DEMOS OFF) # No samples
+set(USE_GRAPHICAL_BENCHMARK OFF CACHE STRING "" FORCE)
+set(USE_MSVC_RUNTIME_LIBRARY_DLL ON CACHE STRING "" FORCE) # Don't statically link this
+set(BUILD_BULLET2_DEMOS OFF CACHE STRING "" FORCE) # No samples
+set(BUILD_OPENGL3_DEMOS OFF CACHE STRING "" FORCE) # No samples
+set(BUILD_UNIT_TESTS OFF CACHE STRING "" FORCE) # No tests
+set(BUILD_CPU_DEMOS OFF CACHE STRING "" FORCE) # No samples
 set(GLFW_BUILD_EXAMPLES OFF CACHE STRING "" FORCE)
 set(GLFW_BUILD_TESTS OFF CACHE STRING "" FORCE)
 set(GLFW_BUILD_DOCS OFF CACHE STRING "" FORCE)