diff --git a/swift/src/IceImpl/Connection.mm b/swift/src/IceImpl/Connection.mm
index fbe38262e77..2c96610f1c4 100644
--- a/swift/src/IceImpl/Connection.mm
+++ b/swift/src/IceImpl/Connection.mm
@@ -91,7 +91,7 @@ - (BOOL)setCloseCallback:(void (^)(ICEConnection*))callback error:(NSError**)err
     {
         if (callback)
         {
-             self.connection->setCloseCallback(
+            self.connection->setCloseCallback(
                 [callback](auto connection)
                 {
                     ICEConnection* conn = [ICEConnection getHandle:connection];
@@ -101,7 +101,6 @@ - (BOOL)setCloseCallback:(void (^)(ICEConnection*))callback error:(NSError**)err
                         callback(conn);
                     }
                 });
-
         }
         else
         {