diff --git a/metal-sdk.scm b/metal-sdk.scm
index d93269f..90f51d6 100755
--- a/metal-sdk.scm
+++ b/metal-sdk.scm
@@ -28,7 +28,7 @@
 					      (list (cons 'X-CONSUMER-TOKEN (consumer-token))
 						    (cons 'X-PACKET-STAFF "true")))))
       thunk
-      (lambda () (set! %default-headers old-headers)))))q
+      (lambda () (set! %default-headers old-headers)))))
 
 (define (headers)
   %default-headers)