diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index c3e0b0f78..ff304a445 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -1619,6 +1619,9 @@ void Spell::EffectDummy(SpellEffectIndex eff_idx)
                 }
                 case 45989:                                 // Summon Void Sentinel Summoner Visual
                 {
+                    if (!unitTarget)
+                        return;
+
                     // summon void sentinel
                     unitTarget->CastSpell(unitTarget, 45988, true);
 
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index aabc2f211..fa1c34794 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 "11848"
+ #define REVISION_NR "11849"
 #endif // __REVISION_NR_H__