diff --git a/src/game/Spell.cpp b/src/game/Spell.cpp
index bbbaba92a..79811b0b3 100644
--- a/src/game/Spell.cpp
+++ b/src/game/Spell.cpp
@@ -4631,7 +4631,7 @@ SpellCastResult Spell::CheckCasterAuras() const
         prevented_reason = SPELL_FAILED_PACIFIED;
 
     // Attr must make flag drop spell totally immune from all effects
-    if(prevented_reason)
+    if(prevented_reason != SPELL_CAST_OK)
     {
         if(school_immune || mechanic_immune || dispel_immune)
         {
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 3729b7c2f..1b243e457 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 "7521"
+ #define REVISION_NR "7522"
 #endif // __REVISION_NR_H__