dlopen is not a subsystem
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9bbafa6..8af3bac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -361,7 +361,7 @@ set(LONGESTOPTIONNAME 0) # set_option and friends will change this.
set(SDL_SUBSYSTEMS
Atomic Audio Video Render Events Joystick Haptic Hidapi Power Threads Timers
- File Loadso CPUinfo Filesystem Dlopen Sensor Locale Misc)
+ File Loadso CPUinfo Filesystem Sensor Locale Misc)
foreach(_SUB ${SDL_SUBSYSTEMS})
string(TOUPPER ${_SUB} _OPT)
if (NOT DEFINED SDL_${_OPT}_ENABLED_BY_DEFAULT)