diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 1a88e3245..68fd00229 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -8757,8 +8757,11 @@ int32 Unit::CalculateSpellDamage(SpellEntry const* spellProto, uint8 effect_inde
     int32 randomPoints = int32(spellProto->EffectDieSides[effect_index] + level * randomPointsPerLevel);
     float comboDamage = spellProto->EffectPointsPerComboPoint[effect_index];
 
-    // prevent random generator from getting confused by spells casted with Unit::CastCustomSpell
-    int32 randvalue = spellProto->EffectBaseDice[effect_index] >= randomPoints ? spellProto->EffectBaseDice[effect_index]:irand(spellProto->EffectBaseDice[effect_index], randomPoints);
+    // range can have possitive and negative values, so order its for irand
+    int32 randvalue = int32(spellProto->EffectBaseDice[effect_index]) >= randomPoints
+        ? irand(randomPoints, int32(spellProto->EffectBaseDice[effect_index]))
+        : irand(int32(spellProto->EffectBaseDice[effect_index]), randomPoints);
+
     int32 value = basePoints + randvalue;
     //random damage
     if(comboDamage != 0 && unitPlayer && target && (target->GetGUID() == unitPlayer->GetComboTarget()))
diff --git a/src/shared/Util.cpp b/src/shared/Util.cpp
index eabd33ad0..73d75f78f 100644
--- a/src/shared/Util.cpp
+++ b/src/shared/Util.cpp
@@ -34,27 +34,27 @@ static MTRandTSS mtRand;
 
 int32 irand (int32 min, int32 max)
 {
-  return int32 (mtRand.get ().randInt (max - min)) + min;
+    return int32 (mtRand.get ().randInt (max - min)) + min;
 }
 
 uint32 urand (uint32 min, uint32 max)
 {
-  return mtRand.get ().randInt (max - min) + min;
+    return mtRand.get ().randInt (max - min) + min;
 }
 
 int32 rand32 ()
 {
-  return mtRand.get ().randInt ();
+    return mtRand.get ().randInt ();
 }
 
 double rand_norm(void)
 {
-  return mtRand.get ().randExc ();
+    return mtRand.get ().randExc ();
 }
 
 double rand_chance (void)
 {
-  return mtRand.get ().randExc (100.0);
+    return mtRand.get ().randExc (100.0);
 }
 
 Tokens StrSplit(const std::string &src, const std::string &sep)
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index d32f0262b..4b0fdbee5 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 "6974"
+ #define REVISION_NR "6975"
 #endif // __REVISION_NR_H__