diff --git a/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASAvailability.h b/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASAvailability.h
index 955782f41a..6c733b065c 100644
--- a/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASAvailability.h
+++ b/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASAvailability.h
@@ -11,7 +11,7 @@
 
 #pragma once
 
-#define AS_TLS_AVAILABLE 0
+#define AS_TLS_AVAILABLE 1
 
 #ifndef AS_ENABLE_TEXTNODE
   #define AS_ENABLE_TEXTNODE 1 // Enable old TextNode by default
diff --git a/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASThread.h b/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASThread.h
index 9faa357430..68b91569cb 100644
--- a/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASThread.h
+++ b/submodules/AsyncDisplayKit/Source/PublicHeaders/AsyncDisplayKit/ASThread.h
@@ -212,6 +212,7 @@ namespace AS {
         if (AS_AVAILABLE_IOS_TVOS(10, 10)) {
           gMutex_unfair = ASActivateExperimentalFeature(ASExperimentalUnfairLock);
         }
+          gMutex_unfair = true;
       });
       
       if (recursive) {