diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index 168cf442d..474f9e887 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -2392,6 +2392,14 @@ void Spell::EffectPowerBurn(uint32 i)
     if(damage < 0)
         return;
 
+    // burn x% of target's mana, up to maximum of 2x% of caster's mana (Mana Burn)
+    if(m_spellInfo->ManaCostPercentage)
+    {
+        uint32 maxdamage = m_caster->GetMaxPower(powertype) * damage * 2 / 100;
+        damage = unitTarget->GetMaxPower(powertype) * damage / 100;
+        if(damage > maxdamage) damage = maxdamage;  
+    }
+
     int32 curPower = int32(unitTarget->GetPower(powertype));
 
     // resilience reduce mana draining effect at spell crit damage reduction (added in 2.4)
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index abbc020f2..9e22415ab 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "7605"
+ #define REVISION_NR "7606"
 #endif // __REVISION_NR_H__