diff --git a/just_audio/darwin/Classes/UriAudioSource.m b/just_audio/darwin/Classes/UriAudioSource.m
index cd6edf7..f03aa9e 100644
--- a/just_audio/darwin/Classes/UriAudioSource.m
+++ b/just_audio/darwin/Classes/UriAudioSource.m
@@ -14,7 +14,7 @@
     NSAssert(self, @"super init cannot be nil");
     _uri = uri;
     if ([_uri hasPrefix:@"file://"]) {
-        _playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL fileURLWithPath:[_uri substringFromIndex:7]]];
+        _playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL fileURLWithPath:[[_uri stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding] substringFromIndex:7]]];
     } else {
         _playerItem = [[IndexedPlayerItem alloc] initWithURL:[NSURL URLWithString:_uri]];
     }