diff --git a/kde-runtime.spec b/kde-runtime.spec
index 129aa5e..7090c53 100644
--- a/kde-runtime.spec
+++ b/kde-runtime.spec
@@ -3,7 +3,11 @@
 %global webkit 1
 %endif
 
+# newer libsmbclient incompatible?
+# https://bugzilla.redhat.com/show_bug.cgi?id=1604473
+%if 0%{?fedora} < 28
 %global smb 1
+%endif
 
 %if 0%{?fedora} > 21
 %global plasma5 1
@@ -29,7 +33,7 @@
 Name:    kde-runtime
 Summary: KDE Runtime
 Version: 17.08.3
-Release: 8%{?dist}
+Release: 9%{?dist}
 
 # http://techbase.kde.org/Policies/Licensing_Policy
 License: LGPLv2+ and GPLv2+
@@ -194,6 +198,11 @@ Conflicts: kdebase-workspace < 4.5.80
 # plasmapkg moved -workspace -> -runtime
 Conflicts: kde-workspace < 4.9.60
 
+%if ! 0%{?smb}
+# may need to bump this is newer builds ever done for older releases -- rex
+Obsoletes: kio-smb < 17.08.3-9
+%endif
+
 %description
 Core runtime for KDE 4.
 
@@ -583,6 +592,9 @@ fi
 
 
 %changelog
+* Fri Jul 20 2018 Rex Dieter <rdieter@fedoraproject.org> - 17.08.3-9
+- disable kio-smb on f29+ (#1604473)
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 17.08.3-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild