diff --git a/nbdkit.spec b/nbdkit.spec
index 34f9e0f..79f45be 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -569,6 +569,7 @@ autoreconf -i
 %ifnarch %{complete_test_arches}
 # Simplify the test suite so it doesn't require qemu.
 sed -i -e '/^LIBGUESTFS_TESTS/d' tests/Makefile.am
+sed -i -e '/^if HAVE_GUESTFISH/,/^endif HAVE_GUESTFISH/d' tests/Makefile.am
 autoreconf -i
 %endif