diff --git a/maps/endeavour/levels/deck4.dmm b/maps/endeavour/levels/deck4.dmm
index b8fa3703679f..544a8d44f0ea 100644
--- a/maps/endeavour/levels/deck4.dmm
+++ b/maps/endeavour/levels/deck4.dmm
@@ -4464,7 +4464,7 @@
 	tag_west = 1;
 	tag_north = 2;
 	tag_east_con = 0.79;
-	tag_west_con = .21
+	tag_west_con = 0.21
 	},
 /turf/simulated/floor/tiled/techmaint,
 /area/engineering/atmos)