diff --git a/ios/Compression.m b/ios/Compression.m
index 7c9158a..007f7e5 100644
--- a/ios/Compression.m
+++ b/ios/Compression.m
@@ -11,16 +11,20 @@
 @implementation Compression
 
 - (instancetype)init {
-    self.exportPresets = @{
-                          @"640x480": AVAssetExportPreset640x480,
-                          @"960x540": AVAssetExportPreset960x540,
-                          @"1280x720": AVAssetExportPreset1280x720,
-                          @"1920x1080": AVAssetExportPreset1920x1080,
-                          @"3840x2160": AVAssetExportPreset3840x2160,
-                          @"LowQuality": AVAssetExportPresetLowQuality,
-                          @"MediumQuality": AVAssetExportPresetMediumQuality,
-                          @"HighestQuality": AVAssetExportPresetHighestQuality,
-                          };
+    NSMutableDictionary *dic = [[NSMutableDictionary alloc] initWithDictionary:@{
+                                                                                 @"640x480": AVAssetExportPreset640x480,
+                                                                                 @"960x540": AVAssetExportPreset960x540,
+                                                                                 @"1280x720": AVAssetExportPreset1280x720,
+                                                                                 @"1920x1080": AVAssetExportPreset1920x1080,
+                                                                                 @"LowQuality": AVAssetExportPresetLowQuality,
+                                                                                 @"MediumQuality": AVAssetExportPresetMediumQuality,
+                                                                                 @"HighestQuality": AVAssetExportPresetHighestQuality,
+                                                                                 }];
+    NSOperatingSystemVersion systemVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
+    if (systemVersion.majorVersion >= 9) {
+        [dic addEntriesFromDictionary:@{@"3840x2160": AVAssetExportPreset3840x2160}];
+    }
+    self.exportPresets = dic;
     
     return self;
 }
@@ -74,9 +78,9 @@
 }
 
 - (void)compressVideo:(NSURL*)inputURL
-                    outputURL:(NSURL*)outputURL
-                    withOptions:(NSDictionary*)options
-                    handler:(void (^)(AVAssetExportSession*))handler {
+            outputURL:(NSURL*)outputURL
+          withOptions:(NSDictionary*)options
+              handler:(void (^)(AVAssetExportSession*))handler {
     
     NSString *presetKey = [options valueForKey:@"compressVideoPreset"];
     if (presetKey == nil) {