diff --git a/src/game/Spell.cpp b/src/game/Spell.cpp
index 4be194511..279816940 100644
--- a/src/game/Spell.cpp
+++ b/src/game/Spell.cpp
@@ -4103,7 +4103,7 @@ SpellCastResult Spell::CheckCast(bool strict)
         !IsPassiveSpell(m_spellInfo->Id) && !(m_spellInfo->Attributes & SPELL_ATTR_CASTABLE_WHILE_MOUNTED))
     {
         if (m_caster->isInFlight())
-            return SPELL_FAILED_NOT_FLYING;
+            return SPELL_FAILED_NOT_ON_TAXI;
         else
             return SPELL_FAILED_NOT_MOUNTED;
     }
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 6670c8db3..1f179117b 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 "8783"
+ #define REVISION_NR "8784"
 #endif // __REVISION_NR_H__