diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2be5739..fea8c7b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ else()
 	set(GL OpenGL::GL)
 endif()
 
-set(MILSKO "/usr/local")
+option(MILSKO "/usr/local")
 option(TRY_SDL2 "Try SDL2" ON)
 
 add_executable(gquake ${SOURCES})