diff --git a/sim/druid/items.go b/sim/druid/items.go
index 3f40593da9..7ae179c28f 100644
--- a/sim/druid/items.go
+++ b/sim/druid/items.go
@@ -90,10 +90,9 @@ var ItemSetLasherweaveRegalia = core.NewItemSet(core.ItemSet{
 			druid := agent.(DruidAgent).GetDruid()
 
 			druid.Languish = druid.RegisterSpell(Any, core.SpellConfig{
-				ActionID:    core.ActionID{SpellID: 71023},
-				SpellSchool: core.SpellSchoolNature,
-				// TODO: double check this (use fetish trinket to test), assuming it does since it's like mage's ignite
-				ProcMask:         core.ProcMaskProc,
+				ActionID:         core.ActionID{SpellID: 71023},
+				SpellSchool:      core.SpellSchoolNature,
+				ProcMask:         core.ProcMaskProc | core.ProcMaskNotInSpellbook,
 				DamageMultiplier: 1,
 				ThreatMultiplier: 1,