diff --git a/code/game/objects/structures/safe.dm b/code/game/objects/structures/safe.dm
index 52fe2464d6e..505e787ae06 100644
--- a/code/game/objects/structures/safe.dm
+++ b/code/game/objects/structures/safe.dm
@@ -12,6 +12,7 @@ FLOOR SAFES
 	icon_state = "safe"
 	anchored = 1
 	density = 1
+	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF
 	var/open = 0		//is the safe open?
 	var/tumbler_1_pos	//the tumbler position- from 0 to 72
 	var/tumbler_1_open	//the tumbler position to open at- 0 to 72