3 files changed, 4 insertions, 6 deletions
diff --git a/src/server/game/Spells/Auras/SpellAuras.cpp b/src/server/game/Spells/Auras/SpellAuras.cpp
index 2a29366ae6d..3d7664f19b6 100644
--- a/src/server/game/Spells/Auras/SpellAuras.cpp
+++ b/src/server/game/Spells/Auras/SpellAuras.cpp
@@ -2010,15 +2010,13 @@ void Aura::TriggerProcOnEvent(uint32 procEffectMask, AuraApplication* aurApp, Pr
 
 float Aura::CalcPPMProcChance(Unit* actor) const
 {
-    using FSeconds = std::chrono::duration<float, Seconds::period>;
-
     // Formula see http://us.battle.net/wow/en/forum/topic/8197741003#1
     float ppm = m_spellInfo->CalcProcPPM(actor, GetCastItemLevel());
     float averageProcInterval = 60.0f / ppm;
 
     TimePoint currentTime = GameTime::Now();
-    float secondsSinceLastAttempt = std::min(std::chrono::duration_cast<FSeconds>(currentTime - m_lastProcAttemptTime).count(), 10.0f);
-    float secondsSinceLastProc = std::min(std::chrono::duration_cast<FSeconds>(currentTime - m_lastProcSuccessTime).count(), 1000.0f);
+    float secondsSinceLastAttempt = std::min(duration_cast<FloatSeconds>(currentTime - m_lastProcAttemptTime).count(), 10.0f);
+    float secondsSinceLastProc = std::min(duration_cast<FloatSeconds>(currentTime - m_lastProcSuccessTime).count(), 1000.0f);
 
     float chance = std::max(1.0f, 1.0f + ((secondsSinceLastProc / averageProcInterval - 1.5f) * 3.0f)) * ppm * secondsSinceLastAttempt / 60.0f;
     RoundToInterval(chance, 0.0f, 1.0f);
diff --git a/src/server/scripts/Spells/spell_dh.cpp b/src/server/scripts/Spells/spell_dh.cpp
index da84f70c52f..1b7b37adf13 100644
--- a/src/server/scripts/Spells/spell_dh.cpp
+++ b/src/server/scripts/Spells/spell_dh.cpp
@@ -971,7 +971,7 @@ struct at_dh_glaive_tempest : AreaTriggerAI
     {
         _scheduler.Schedule(0ms, [this](TaskContext task)
         {
-            std::chrono::duration<float> period = 500ms; // 500ms, affected by haste
+            FloatMilliseconds period = 500s; // 500ms, affected by haste
             if (Unit* caster = at->GetCaster())
             {
                 period *= *caster->m_unitData->ModHaste;
diff --git a/src/server/scripts/Spells/spell_evoker.cpp b/src/server/scripts/Spells/spell_evoker.cpp
index 7e371042134..82eb493dc04 100644
--- a/src/server/scripts/Spells/spell_evoker.cpp
+++ b/src/server/scripts/Spells/spell_evoker.cpp
@@ -384,7 +384,7 @@ struct at_evo_firestorm : AreaTriggerAI
 
         _scheduler.Schedule(0ms, [this](TaskContext task)
         {
-            std::chrono::duration<float> period = 2s; // 2s, affected by haste
+            FloatMilliseconds period = 2s; // 2s, affected by haste
             if (Unit* caster = at->GetCaster())
             {
                 period *= *caster->m_unitData->ModCastingSpeed;