diff --git a/OpenVPN Tunnel Provider/OpenVPNAdapter+Provider.h b/OpenVPN Tunnel Provider/OpenVPNAdapter+Provider.h
index 6206777..78b4870 100644
--- a/OpenVPN Tunnel Provider/OpenVPNAdapter+Provider.h	
+++ b/OpenVPN Tunnel Provider/OpenVPNAdapter+Provider.h	
@@ -35,9 +35,10 @@ NS_SWIFT_NAME(handle(error:));
 @property (weak, nonatomic, null_unspecified) id<OpenVPNAdapterDelegate> delegate;
 
 - (BOOL)configureWithUsername:(nonnull NSString *)username
-                           password:(nonnull NSString *)password
-                              error:(out NSError * __nullable * __nullable)error
-NS_SWIFT_NAME(configure(username:password:));
+                     password:(nonnull NSString *)password
+                configuration:(nonnull NSData *)configuration
+                        error:(out NSError * __nullable * __nullable)error
+NS_SWIFT_NAME(configure(username:password:configuration:));
 
 - (void)connect;
 - (void)disconnect;