diff --git a/server/TracyEvent.hpp b/server/TracyEvent.hpp
index a21793f5..4fe0744c 100644
--- a/server/TracyEvent.hpp
+++ b/server/TracyEvent.hpp
@@ -66,6 +66,8 @@ enum { SourceLocationSize = sizeof( SourceLocation ) };
 
 struct ZoneEvent
 {
+    void Init() { memset( &child, 0, 12 ); }
+
     int64_t start;
     int64_t end;
     int32_t srcloc;
@@ -77,6 +79,7 @@ struct ZoneEvent
 };
 
 enum { ZoneEventSize = sizeof( ZoneEvent ) };
+static_assert( sizeof( ZoneEvent::child ) == 13, "Adjust vector clear size!" );
 
 
 struct LockEvent
diff --git a/server/TracyVector.hpp b/server/TracyVector.hpp
index 162d6993..34dc37fd 100644
--- a/server/TracyVector.hpp
+++ b/server/TracyVector.hpp
@@ -174,6 +174,7 @@ private:
         {
             memUsage.fetch_add( sizeof( T ), std::memory_order_relaxed );
             m_ptr = new T[1];
+            m_capacity = 0;
         }
         else
         {
diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index 086b0441..bcf99732 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -615,7 +615,8 @@ void View::Process( const QueueItem& ev )
 
 void View::ProcessZoneBegin( const QueueZoneBegin& ev )
 {
-    auto zone = m_slab.AllocInit<ZoneEvent>();
+    auto zone = m_slab.Alloc<ZoneEvent>();
+    zone->Init();
 
     CheckSourceLocation( ev.srcloc );
 
@@ -636,7 +637,8 @@ void View::ProcessZoneBeginAllocSrcLoc( const QueueZoneBegin& ev )
     auto it = m_pendingSourceLocationPayload.find( ev.srcloc );
     assert( it != m_pendingSourceLocationPayload.end() );
 
-    auto zone = m_slab.AllocInit<ZoneEvent>();
+    auto zone = m_slab.Alloc<ZoneEvent>();
+    zone->Init();
 
     zone->start = ev.time * m_timerMul;
     zone->end = -1;
@@ -3845,7 +3847,9 @@ void View::ReadTimeline( FileRead& f, Vector<ZoneEvent*>& vec )
 
     for( uint64_t i=0; i<sz; i++ )
     {
-        auto zone = m_slab.AllocInit<ZoneEvent>();
+        auto zone = m_slab.Alloc<ZoneEvent>();
+        zone->Init();
+
         m_zonesCnt++;
         vec.push_back( zone );