diff --git a/tests/guix-package.sh b/tests/guix-package.sh
index ee186ead83..60b42907a8 100644
--- a/tests/guix-package.sh
+++ b/tests/guix-package.sh
@@ -55,7 +55,7 @@ test "`guix package --search-paths -p "$profile" | wc -l`" = 0
 if guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2> /dev/null
 then
     boot_make="(@@ (gnu packages base) gnu-make-boot0)"
-    boot_make_drv="`guix build -e "$boot_make" | tail -1`"
+    boot_make_drv="`guix build -e "$boot_make" | grep -v -e -debug`"
     guix package --bootstrap -p "$profile" -i "$boot_make_drv"
     test -L "$profile-2-link"
     test -f "$profile/bin/make" && test -f "$profile/bin/guile"