diff --git a/NativeScript/runtime/DictionaryAdapter.mm b/NativeScript/runtime/DictionaryAdapter.mm
index 12508695..e94bd239 100644
--- a/NativeScript/runtime/DictionaryAdapter.mm
+++ b/NativeScript/runtime/DictionaryAdapter.mm
@@ -55,6 +55,10 @@ - (id)nextObject {
 }
 
 - (void)dealloc {
+    self->isolate_ = nullptr;
+    self->map_ = nil;
+    self->cache_ = nil;
+    
     [super dealloc];
 }
 
@@ -138,6 +142,10 @@ - (NSArray*)allObjects {
 }
 
 - (void)dealloc {
+    self->isolate_ = nullptr;
+    self->dictionary_ = nil;
+    self->cache_ = nil;
+    
     [super dealloc];
 }
 
@@ -240,6 +248,10 @@ - (void)dealloc {
         delete wrapper;
     }
     self->object_->Reset();
+    
+    self->isolate_ = nullptr;
+    self->cache_ = nil;
+    self->object_ = nil;
     [super dealloc];
 }