diff --git a/ios/VydiaRNFileUploader.m b/ios/VydiaRNFileUploader.m
index 86b90831..43369cb9 100644
--- a/ios/VydiaRNFileUploader.m
+++ b/ios/VydiaRNFileUploader.m
@@ -95,6 +95,36 @@ - (NSString *)guessMIMETypeFromFileName: (NSString *)fileName {
     return (__bridge NSString *)(MIMEType);
 }
 
+/*
+ Utility method to copy a PHAsset file into a local temp file, which can then be uploaded.
+ */
+- (void)copyAssetToFile: (NSString *)assetUrl completionHandler: (void(^)(NSString *__nullable tempFileUrl, NSError *__nullable error))completionHandler {
+    NSURL *url = [NSURL URLWithString:assetUrl];
+    PHAsset *asset = [PHAsset fetchAssetsWithALAssetURLs:@[url] options:nil].lastObject;
+    if (!asset) {
+        NSMutableDictionary* details = [NSMutableDictionary dictionary];
+        [details setValue:@"Asset could not be fetched.  Are you missing permissions?" forKey:NSLocalizedDescriptionKey];
+        completionHandler(nil,  [NSError errorWithDomain:@"RNUploader" code:5 userInfo:details]);
+        return;
+    }
+    PHAssetResource *assetResource = [[PHAssetResource assetResourcesForAsset:asset] firstObject];
+    NSString *pathToWrite = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSUUID UUID] UUIDString]];
+    NSURL *pathUrl = [NSURL fileURLWithPath:pathToWrite];
+    NSString *fileURI = pathUrl.absoluteString;
+
+    PHAssetResourceRequestOptions *options = [PHAssetResourceRequestOptions new];
+    options.networkAccessAllowed = YES;
+
+    [[PHAssetResourceManager defaultManager] writeDataForAssetResource:assetResource toFile:pathUrl options:options completionHandler:^(NSError * _Nullable e) {
+        if (e == nil) {
+            completionHandler(fileURI, nil);
+        }
+        else {
+            completionHandler(nil, e);
+        }
+    }];
+}
+
 /*
  * Starts a file upload.
  * Options are passed in as the first argument as a js hash:
@@ -115,7 +145,7 @@ - (NSString *)guessMIMETypeFromFileName: (NSString *)fileName {
     }
 
     NSString *uploadUrl = options[@"url"];
-    NSString *fileURI = options[@"path"];
+    __block NSString *fileURI = options[@"path"];
     NSString *method = options[@"method"] ?: @"POST";
     NSString *uploadType = options[@"type"] ?: @"raw";
     NSString *fieldName = options[@"field"];
@@ -135,35 +165,21 @@ - (NSString *)guessMIMETypeFromFileName: (NSString *)fileName {
             }
         }];
 
-        // asset library files have to be copied over to a temp file.  they cannot be uploaded directly
-        if ([fileURI hasPrefix:@"assets-library"]) {
-            NSURL *url = [NSURL URLWithString:fileURI];
-            PHAsset *asset = [PHAsset fetchAssetsWithALAssetURLs:@[url] options:nil].lastObject;
-            if (!asset) {
-                reject(@"RN Uploader", @"Asset could not be fetched.  Are you missing permissions?", nil);
-                return;
-            }
-            PHAssetResource *assetResource = [[PHAssetResource assetResourcesForAsset:asset] firstObject];
-            NSString *pathToWrite = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSUUID UUID] UUIDString]];
-            NSURL *pathUrl = [NSURL fileURLWithPath:pathToWrite];
-            fileURI = pathUrl.absoluteString;
-
-            PHAssetResourceRequestOptions *options = [PHAssetResourceRequestOptions new];
-            options.networkAccessAllowed = YES;
 
+        // asset library files have to be copied over to a temp file.  they can't be uploaded directly
+        if ([fileURI hasPrefix:@"assets-library"]) {
             dispatch_group_t group = dispatch_group_create();
             dispatch_group_enter(group);
-
-            __block NSError *error;
-            [[PHAssetResourceManager defaultManager] writeDataForAssetResource:assetResource toFile:pathUrl options:options completionHandler:^(NSError * _Nullable e) {
-                error = e;
+            [self copyAssetToFile:fileURI completionHandler:^(NSString * _Nullable tempFileUrl, NSError * _Nullable error) {
+                if (error) {
+                    dispatch_group_leave(group);
+                    reject(@"RN Uploader", @"Asset could not be copied to temp file.", nil);
+                    return;
+                }
+                fileURI = tempFileUrl;
                 dispatch_group_leave(group);
             }];
             dispatch_group_wait(group, DISPATCH_TIME_FOREVER);
-            if (error) {
-                reject(@"RN Uploader", @"Asset could not be copied.", nil);
-                return;
-            }
         }
 
         NSURLSessionDataTask *uploadTask;
diff --git a/package.json b/package.json
index e914fbc9..e1ad7db0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-background-upload",
-  "version": "4.2.0",
+  "version": "4.3.0",
   "description": "Cross platform http post file uploader with android and iOS background support",
   "main": "index.js",
   "scripts": {