diff --git a/hplip.spec b/hplip.spec
index c9c5045..ba65490 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -174,13 +174,16 @@ exit 0
 
 %post -n libsane-hpaio
 /sbin/ldconfig
-if ! grep ^hpaio /etc/sane.d/dll.conf >/dev/null 2>/dev/null ; then \
+if [ -f /etc/sane.d/dll.conf ] && \
+   ! grep ^hpaio /etc/sane.d/dll.conf >/dev/null 2>/dev/null ; then \
         echo hpaio >> /etc/sane.d/dll.conf; \
 fi
+exit 0
 
 %changelog
 * Mon Jun 26 2006 Tim Waugh <twaugh@redhat.com>
 - Patchlevel 1.
+- Fixed libsane-hpaio %%post scriptlet (bug #196663).
 
 * Fri Jun 16 2006 Tim Waugh <twaugh@redhat.com> 1.6.6-2
 - 1.6.6.