diff --git a/ruby/input/joypad/iokit.cpp b/ruby/input/joypad/iokit.cpp
index 2b9d516a..679ffcea 100644
--- a/ruby/input/joypad/iokit.cpp
+++ b/ruby/input/joypad/iokit.cpp
@@ -14,6 +14,7 @@ struct InputJoypadIOKit {
       for(uint n : range(CFArrayGetCount(elements))) {
         IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(elements, n);
         IOHIDElementType type = IOHIDElementGetType(element);
+        uint32_t page = IOHIDElementGetUsagePage(element);
         uint32_t usage = IOHIDElementGetUsage(element);
         switch(type) {
         case kIOHIDElementTypeInput_Button:
@@ -21,6 +22,7 @@ struct InputJoypadIOKit {
           break;
         case kIOHIDElementTypeInput_Axis:
         case kIOHIDElementTypeInput_Misc:
+          if(page != kHIDPage_GenericDesktop && page != kHIDPage_Simulation) break;
           if(usage == kHIDUsage_Sim_Accelerator || usage == kHIDUsage_Sim_Brake
           || usage == kHIDUsage_Sim_Rudder      || usage == kHIDUsage_Sim_Throttle
           || usage == kHIDUsage_GD_X  || usage == kHIDUsage_GD_Y  || usage == kHIDUsage_GD_Z