diff --git a/code/modules/mining/mine_turfs.dm b/code/modules/mining/mine_turfs.dm
index 5c441f1e28..ea6f687113 100644
--- a/code/modules/mining/mine_turfs.dm
+++ b/code/modules/mining/mine_turfs.dm
@@ -452,6 +452,8 @@ var/list/mining_overlay_cache = list()
 				//update overlays displaying excavation level
 				if( !(excav_overlay && excavation_level > 0) || update_excav_overlay )
 					var/excav_quadrant = round(excavation_level / 25) + 1
+					if(excav_quadrant > 5)
+						excav_quadrant = 5
 					cut_overlay(excav_overlay)
 					excav_overlay = "overlay_excv[excav_quadrant]_[rand(1,3)]"
 					add_overlay(excav_overlay)