diff --git a/modules/TargetCC.lua b/modules/TargetCC.lua
index 557010d..5a96db6 100644
--- a/modules/TargetCC.lua
+++ b/modules/TargetCC.lua
@@ -6,6 +6,12 @@ TargetCC.prototype.debuffName = nil
 TargetCC.prototype.debuffRemaining = 0
 TargetCC.prototype.debuffDuration = 0
 
+local GetNumPartyMembers, GetNumRaidMembers = GetNumPartyMembers, GetNumRaidMembers
+if IceHUD.WowVer >= 50000 then
+	GetNumPartyMembers = GetNumGroupMembers
+	GetNumRaidMembers = GetNumGroupMembers
+end
+
 -- list of spell ID's for each CC type so we can avoid localization issues
 local StunCCList = {
 	-- kidney shot
diff --git a/modules/TargetInvuln.lua b/modules/TargetInvuln.lua
index 4c05b32..862930d 100644
--- a/modules/TargetInvuln.lua
+++ b/modules/TargetInvuln.lua
@@ -6,6 +6,12 @@ TargetInvuln.prototype.buffName = nil
 TargetInvuln.prototype.buffRemaining = 0
 TargetInvuln.prototype.buffDuration = 0
 
+local GetNumPartyMembers, GetNumRaidMembers = GetNumPartyMembers, GetNumRaidMembers
+if IceHUD.WowVer >= 50000 then
+	GetNumPartyMembers = GetNumGroupMembers
+	GetNumRaidMembers = GetNumGroupMembers
+end
+
 -- list of spell ID's for each CC type so we can avoid localization issues
 local InvulnList= {
 	-- Anti-Magic Shell
diff --git a/modules/Threat.lua b/modules/Threat.lua
index 716f55d..90cd8d7 100644
--- a/modules/Threat.lua
+++ b/modules/Threat.lua
@@ -14,6 +14,15 @@ IceThreat.aggroBar = nil
 IceThreat.aggroBarMulti = nil
 IceThreat.prototype.scheduledEvent = nil
 
+local GetNumPartyMembers, GetNumRaidMembers = GetNumPartyMembers, GetNumRaidMembers
+local MAX_NUM_RAID_MEMBERS, MAX_NUM_PARTY_MEMBERS = MAX_NUM_RAID_MEMBERS, MAX_NUM_PARTY_MEMBERS
+if IceHUD.WowVer >= 50000 then
+	GetNumPartyMembers = GetNumGroupMembers
+	GetNumRaidMembers = GetNumGroupMembers
+	MAX_NUM_PARTY_MEMBERS = MAX_PARTY_MEMBERS
+	MAX_NUM_RAID_MEMBERS = MAX_RAID_MEMBERS
+end
+
 local MAX_NUM_RAID_MEMBERS = 40
 local MAX_NUM_PARTY_MEMBERS = 5