diff --git a/code/__DEFINES/surgery.dm b/code/__DEFINES/surgery.dm
index d63c6da26ac6..22ff3f9ff9c9 100644
--- a/code/__DEFINES/surgery.dm
+++ b/code/__DEFINES/surgery.dm
@@ -95,6 +95,7 @@ See also /datum/surgery_step/cut_larval_pseudoroots, /datum/surgery_step/retract
 	/obj/item/tool/surgery/scalpel/pict_system = SURGERY_TOOL_MULT_SUBOPTIMAL,\
 	/obj/item/attachable/bayonet = SURGERY_TOOL_MULT_SUBSTITUTE,\
 	/obj/item/tool/kitchen/knife = SURGERY_TOOL_MULT_SUBSTITUTE,\
+	/obj/item/weapon/throwing_knife = SURGERY_TOOL_MULT_AWFUL,\
 	/obj/item/shard = SURGERY_TOOL_MULT_AWFUL\
 	)
 
diff --git a/code/modules/surgery/chestburster.dm b/code/modules/surgery/chestburster.dm
index e387978fb8ee..08b19b24e515 100644
--- a/code/modules/surgery/chestburster.dm
+++ b/code/modules/surgery/chestburster.dm
@@ -33,6 +33,7 @@
 		/obj/item/tool/surgery/scalpel/pict_system = SURGERY_TOOL_MULT_IDEAL,
 		/obj/item/attachable/bayonet = SURGERY_TOOL_MULT_SUBSTITUTE,
 		/obj/item/tool/kitchen/knife = SURGERY_TOOL_MULT_SUBSTITUTE,
+		/obj/item/weapon/throwing_knife = SURGERY_TOOL_MULT_AWFUL,
 		/obj/item/shard = SURGERY_TOOL_MULT_AWFUL,
 	)
 	time = 5 SECONDS
diff --git a/code/modules/surgery/generic.dm b/code/modules/surgery/generic.dm
index c5d7f37a444c..3f938bd3f3cd 100644
--- a/code/modules/surgery/generic.dm
+++ b/code/modules/surgery/generic.dm
@@ -223,6 +223,7 @@
 		/obj/item/attachable/bayonet = SURGERY_TOOL_MULT_AWFUL,
 		/obj/item/tool/surgery/scalpel = SURGERY_TOOL_MULT_AWFUL,
 		/obj/item/tool/kitchen/knife = SURGERY_TOOL_MULT_AWFUL,
+		/obj/item/weapon/throwing_knife = SURGERY_TOOL_MULT_AWFUL,
 		/obj/item/shard = SURGERY_TOOL_MULT_AWFUL
 		)
 	preop_sound = 'sound/surgery/retractor1.ogg'
diff --git a/code/modules/surgery/xeno.dm b/code/modules/surgery/xeno.dm
index d3175a2f78d5..4082aadc4a8f 100644
--- a/code/modules/surgery/xeno.dm
+++ b/code/modules/surgery/xeno.dm
@@ -133,6 +133,7 @@
 		/obj/item/tool/surgery/scalpel/pict_system = SURGERY_TOOL_MULT_IDEAL,
 		/obj/item/attachable/bayonet = SURGERY_TOOL_MULT_SUBSTITUTE,
 		/obj/item/tool/kitchen/knife = SURGERY_TOOL_MULT_SUBSTITUTE,
+		/obj/item/weapon/throwing_knife = SURGERY_TOOL_MULT_AWFUL,
 		/obj/item/shard = SURGERY_TOOL_MULT_AWFUL,
 	)
 	time = 4 SECONDS