diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index a2a36d3b0f..69771f1a0b 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -1443,6 +1443,7 @@ drmmode_update_scanout_buffer(xf86CrtcPtr crtc, drmmode_shadow_scanout_ptr scano
 
     /* force the buffer to be rendered to as quickly as possible */
     #ifdef GLAMOR_HAS_GBM
+    modesettingPtr ms = modesettingPTR(crtc->scrn);
     glamor_finish(pScreen);
     #endif
 }