diff --git a/libftdi.spec b/libftdi.spec
index 722fc15..88f5589 100644
--- a/libftdi.spec
+++ b/libftdi.spec
@@ -127,6 +127,7 @@ rm -rf $RPM_BUILD_ROOT
 
 %pre
 getent group GROUPNAME >/dev/null || groupadd -r plugdev
+exit 0
 
 %post -p /sbin/ldconfig
 %postun -p /sbin/ldconfig