diff --git a/code/game/asteroid/asteroid.dm b/code/game/asteroid/asteroid.dm
index ea549c4d3a1..0c9ef3c9515 100644
--- a/code/game/asteroid/asteroid.dm
+++ b/code/game/asteroid/asteroid.dm
@@ -212,6 +212,10 @@ proc/make_mining_asteroid_secret(var/size = 5)
 			valid = 0
 			continue
 
+		if(locate(/turf/simulated/floor/plating/airless/asteroid) in surroundings)
+			valid = 0
+			continue
+
 	if(!T)
 		return 0