diff --git a/platform/ios/MGLAccountManager.m b/platform/ios/MGLAccountManager.m
index d8e445d5c..f7b529076 100644
--- a/platform/ios/MGLAccountManager.m
+++ b/platform/ios/MGLAccountManager.m
@@ -60,6 +60,8 @@
 }
 
 + (void) setAccessToken:(NSString *) accessToken {
+    accessToken = [accessToken stringByTrimmingCharactersInSet:
+                   [NSCharacterSet whitespaceAndNewlineCharacterSet]];
     if ( ! [accessToken length]) return;
     
     [MGLAccountManager sharedManager].accessToken = accessToken;
diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index 078841bbb..54cc3e879 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -3303,6 +3303,8 @@ class MBGLView : public mbgl::View
 
 - (void)setStyleURL__:(nullable NSString *)URLString
 {
+    URLString = [URLString stringByTrimmingCharactersInSet:
+                 [NSCharacterSet whitespaceAndNewlineCharacterSet]];
     NSURL *url = URLString.length ? [NSURL URLWithString:URLString] : nil;
     if (URLString.length && !url)
     {