diff --git a/wadsrc/static/animdefs.txt b/wadsrc/static/animdefs.txt
index 79ed3a3e5..388a4f360 100644
--- a/wadsrc/static/animdefs.txt
+++ b/wadsrc/static/animdefs.txt
@@ -157,7 +157,7 @@ switch strife SWFORC01 on pic SWFORC02 tics 0
 switch strife SWEXIT01 on pic SWEXIT02 tics 0
 switch strife DORSBK01 on sound switches/stone pic DORSBK02 tics 0
 switch strife SWSLD01 on pic SWSLD02 tics 0
-switch strife DORWS04 on sound switches/bolt pic DORWS05 tics 0
+switch strife DORWS04 on sound switches/bolt pic DORWS05 tics 0 off sound switches/boltback pic DORWS04 tics 0
 switch strife SWIRON01 on pic SWIRON02 tics 0
 switch strife GLASS09 on sound world/glassbreak pic GLASS10 tics 0
 switch strife GLASS11 on sound world/glassbreak pic GLASS12 tics 0
diff --git a/wadsrc/static/sndinfo.txt b/wadsrc/static/sndinfo.txt
index c69ef903e..c534808bb 100644
--- a/wadsrc/static/sndinfo.txt
+++ b/wadsrc/static/sndinfo.txt
@@ -1086,6 +1086,7 @@ switches/knob		dsswknob
 switches/keycard	dskeycrd
 switches/stone		dsswston
 switches/bolt		dsswbolt
+switches/boltback	dsempty
 switches/scanner	dsswscan
 switches/fool		dsdifool
 switches/valve		dsvalve