diff --git a/SPECS/libnbd.spec b/SPECS/libnbd.spec
index fdeef5c..a3024f3 100644
--- a/SPECS/libnbd.spec
+++ b/SPECS/libnbd.spec
@@ -1,5 +1,5 @@
 # If we should verify tarball signature with GPGv2.
-%bcond_without nbdkit
+%define with_nbdkit 1
 %global verify_tarball_signature 1
 
 # If there are patches which touch autotools files, set this to 1.
@@ -75,7 +75,7 @@ BuildRequires:  gcc-c++
 BuildRequires:  gnutls-utils
 #BuildRequires:  jq
 %ifnarch %{ix86}
-%if %{nbdkit}
+%if 0%{?with_nbdkit}
 BuildRequires:  nbdkit
 BuildRequires:  nbdkit-data-plugin
 #BuildRequires:  nbdkit-eval-plugin