diff --git a/configure.ac b/configure.ac
index 298a18c2..8f07e807 100644
--- a/configure.ac
+++ b/configure.ac
@@ -411,6 +411,7 @@ AX_RECURSIVE_EVAL($sbindir,sbindir_exp)
 
 PCSCLITE_CONFIG_DIR="${confdir_exp}"
 AC_SUBST(PCSCLITE_CONFIG_DIR)
+AC_SUBST(sbindir_exp)
 PCSCLITE_FEATURES="${PCSCLITE_FEATURES} configdir=${PCSCLITE_CONFIG_DIR}"
 AC_DEFINE_UNQUOTED([PCSCLITE_FEATURES], ["${PCSCLITE_FEATURES}"], [Enabled PC/SC lite features])