diff --git a/src/game/DynamicObject.cpp b/src/game/DynamicObject.cpp
index 762966d7b..b2d88f95e 100644
--- a/src/game/DynamicObject.cpp
+++ b/src/game/DynamicObject.cpp
@@ -179,7 +179,7 @@ void DynamicObject::Delay(int32 delaytime)
             ++iter;
         }
         else
-            m_affected.erase(iter);
+            m_affected.erase(iter++);
     }
 }
 
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 58d1be289..1cb1dc5ac 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 "10520"
+ #define REVISION_NR "10521"
 #endif // __REVISION_NR_H__