diff --git a/Pod/Classes/TUSAssetData.h b/Pod/Classes/TUSAssetData.h
index f920c0bc..aa6a3690 100755
--- a/Pod/Classes/TUSAssetData.h
+++ b/Pod/Classes/TUSAssetData.h
@@ -15,7 +15,7 @@
 
 #if TARGET_OS_IPHONE
 #import <AssetsLibrary/AssetsLibrary.h>
-#elif TARGET_OS_MAC
+#elif defined TARGET_OS_OSX
 @import MediaLibrary;
 #endif
 
@@ -23,7 +23,7 @@
 
 #if TARGET_OS_IPHONE
 - (id)initWithAsset:(ALAsset*)asset;
-#elif TARGET_OS_MAC
+#elif defined TARGET_OS_OSX
 - (id)initWithAsset:(MLMediaObject*)asset;
 #endif
 
diff --git a/Pod/Classes/TUSAssetData.m b/Pod/Classes/TUSAssetData.m
index edbfe7a5..89bf5d09 100755
--- a/Pod/Classes/TUSAssetData.m
+++ b/Pod/Classes/TUSAssetData.m
@@ -14,7 +14,7 @@
 @interface TUSAssetData ()
 #if TARGET_OS_IPHONE
 @property (strong, nonatomic) ALAsset* asset;
-#elif TARGET_OS_MAC
+#elif defined TARGET_OS_OSX
 @property (strong, nonatomic) MLMediaObject* asset;
 #endif
 @end
@@ -30,7 +30,8 @@ - (id)initWithAsset:(ALAsset*)asset
     }
     return self;
 }
-#ELIF TARGET_OS_MAC
+#endif
+#if TARGET_OS_OSX
 - (id)initWithAsset:(MLMediaObject*)asset
 {
     self = [super init];
@@ -62,7 +63,8 @@ - (long long)length
 
     return [assetRepresentation size];
 }
-#ELIF TARGET_OS_MAC
+#endif
+#if TARGET_OS_OSX
 - (long long)length
 {
     if (!_asset) {
@@ -93,7 +95,8 @@ - (NSUInteger)getBytes:(uint8_t *)buffer
                                   length:length
                                    error:error];
 }
-#ELIF TARGET_OS_MAC
+#endif
+#if TARGET_OS_OSX
 #endif
 
 
diff --git a/Pod/Classes/TUSResumableUpload.m b/Pod/Classes/TUSResumableUpload.m
index 4d3697aa..00d26133 100755
--- a/Pod/Classes/TUSResumableUpload.m
+++ b/Pod/Classes/TUSResumableUpload.m
@@ -283,7 +283,7 @@ - (BOOL)createFile
     #if TARGET_OS_IPHONE
     UIBackgroundTaskIdentifier bgTask = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{
         [weakself cancel];
-    }];    #elif TARGET_OS_MAC
+    }];
     #endif
 
     self.currentTask = [self.delegate.session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error){
@@ -348,7 +348,7 @@ - (BOOL)createFile
         [weakself.delegate saveUpload:weakself]; // Save current state for reloading - only save when we get a call back, not at the start of one (because this is the only time the state changes)
         #if TARGET_OS_IPHONE
             [[UIApplication sharedApplication] endBackgroundTask:bgTask];
-        #elif TARGET_OS_MAC
+        #elif defined TARGET_OS_OSX
             [weakself cancel];
         #endif
         
@@ -454,7 +454,7 @@ - (BOOL) checkFile
         [weakself.delegate saveUpload:weakself]; // Save current state for reloading - only save when we get a call back, not at the start of one (because this is the only time the state changes)
         #if TARGET_OS_IPHONE
             [[UIApplication sharedApplication] endBackgroundTask:bgTask];
-        #elif TARGET_OS_MAC
+        #elif defined TARGET_OS_OSX
             [weakself cancel];
         #endif
         if (delayTime > 0) {
@@ -542,7 +542,7 @@ -(BOOL)uploadFile
         [weakself.delegate saveUpload:weakself]; // Save current state for reloading - only save when we get a call back, not at the start of one (because this is the only time the state changes)
         #if TARGET_OS_IPHONE
             [[UIApplication sharedApplication] endBackgroundTask:bgTask];
-        #elif TARGET_OS_MAC
+        #elif defined TARGET_OS_OSX
             [weakself cancel];
         #endif
         [weakself continueUpload]; // Continue upload, not resume, because we do not want to continue if cancelled.
diff --git a/TUSKit.podspec b/TUSKit.podspec
index c9fc4496..d268598d 100755
--- a/TUSKit.podspec
+++ b/TUSKit.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "TUSKit"
-  s.version          = "1.3.9"
+  s.version          = "1.3.10"
   s.summary          = "An iOS implementation of the tus resumable video upload protocol."
   s.description      = <<-DESC
                        An iOS implementation of the tus resumable video upload protocol.