diff --git a/shared-core/drm.h b/shared-core/drm.h
index 5981dcb8..da149dca 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -555,10 +555,9 @@ union drm_wait_vblank {
 	struct drm_wait_vblank_reply reply;
 };
 
-enum drm_modeset_ctl_cmd {
-	_DRM_PRE_MODESET = 1,
-	_DRM_POST_MODESET = 2,
-};
+
+#define _DRM_PRE_MODESET 1
+#define _DRM_POST_MODESET 2
 
 /**
  * DRM_IOCTL_MODESET_CTL ioctl argument type
@@ -567,7 +566,7 @@ enum drm_modeset_ctl_cmd {
  */
 struct drm_modeset_ctl {
 	unsigned long arg;
-	enum drm_modeset_ctl_cmd cmd;
+	int cmd;
 };
 
 /**