diff --git a/gnu/packages/nettle.scm b/gnu/packages/nettle.scm
index 827fed2b1d4d551fb94a10037210be085ae0e013..ed140d43c0dbcd4f4bf2becc2d546bcabb3f43a5 100644
--- a/gnu/packages/nettle.scm
+++ b/gnu/packages/nettle.scm
@@ -43,6 +43,7 @@ (define-public nettle-2
      '(#:configure-flags (list (string-append "LDFLAGS=-Wl,-rpath="
                                               (assoc-ref %outputs "out")
                                               "/lib"))))
+    (outputs '("out" "debug"))
     (native-inputs `(("m4" ,m4)))
     (propagated-inputs `(("gmp" ,gmp)))
     (home-page "http://www.lysator.liu.se/~nisse/nettle/")