diff --git a/mods/d2k/rules/vehicles.yaml b/mods/d2k/rules/vehicles.yaml
index e1315c1d6e..a8d209b494 100644
--- a/mods/d2k/rules/vehicles.yaml
+++ b/mods/d2k/rules/vehicles.yaml
@@ -170,7 +170,7 @@ QUAD:
 		Type: Light
 	Mobile:
 		ROT: 8
-		Speed: 10
+		Speed: 9
 	RevealsShroud:
 		Range: 8
 	RenderUnit: