diff --git a/sys/external/bsd/drm/dist/shared-core/mga_drv.h b/sys/external/bsd/drm/dist/shared-core/mga_drv.h
index 4859032d6c51..fe4bbd051f86 100644
--- a/sys/external/bsd/drm/dist/shared-core/mga_drv.h
+++ b/sys/external/bsd/drm/dist/shared-core/mga_drv.h
@@ -285,7 +285,7 @@ do {									\
 do {									\
 	if ( MGA_VERBOSE ) {						\
 		DRM_INFO( "BEGIN_DMA( %d )\n", (n) );		\
-		DRM_INFO( "   space=0x%x req=0x%x\n",			\
+		DRM_INFO( "   space=0x%x req=0x%zx\n",			\
 			  dev_priv->prim.space, (n) * DMA_BLOCK_SIZE );	\
 	}								\
 	prim = dev_priv->prim.start;					\