diff --git a/changelog.md b/changelog.md
index a157178..6a87b30 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+v1.15.8:
+
+- Fix reported error with custom cooldown bars set to "when ready" mode due to deprecation in 11.x (wowace issue #368)
+
 v1.15.7:
 
 - Fix cooldown display for overridden spells (such as Evoker spells where Font of Magic replaces the base spell with an override with the same name).
diff --git a/modules/CustomCDBar.lua b/modules/CustomCDBar.lua
index 5ab93b3..4e461ee 100644
--- a/modules/CustomCDBar.lua
+++ b/modules/CustomCDBar.lua
@@ -61,6 +61,11 @@ if not IsUsableSpell and C_Spell then
 	IsUsableSpell = C_Spell.IsSpellUsable
 end
 
+local SpellHasRange = SpellHasRange
+if not SpellHasRange and C_Spell then
+	SpellHasRange = C_Spell.SpellHasRange
+end
+
 IceCustomCDBar.prototype.cooldownDuration = 0
 IceCustomCDBar.prototype.cooldownEndTime = 0
 IceCustomCDBar.prototype.coolingDown = false
diff --git a/this_version.md b/this_version.md
index b5d8c32..c1c8de3 100644
--- a/this_version.md
+++ b/this_version.md
@@ -1,5 +1,9 @@
 # Changelog
 
+v1.15.8:
+
+- Fix reported error with custom cooldown bars set to "when ready" mode due to deprecation in 11.x (wowace issue #368)
+
 v1.15.7:
 
 - Fix cooldown display for overridden spells (such as Evoker spells where Font of Magic replaces the base spell with an override with the same name).