diff --git a/kde-dev-utils.spec b/kde-dev-utils.spec
index 7996d19..3ba1fb9 100644
--- a/kde-dev-utils.spec
+++ b/kde-dev-utils.spec
@@ -1,5 +1,5 @@
 Name:          kde-dev-utils
-Version:       19.04.3
+Version:       19.08.1
 Release:       1mamba
 Summary:       Utilities for KDE development
 Group:         Graphical Desktop/Applications/Development
@@ -48,6 +48,13 @@ Utilities for KDE development.
 
 %build
 %cmake_kde5 -d build
+
+%ifarch x86_64
+sed -i "s|/usr/lib/lib|/usr/lib64/lib|g" \
+   kuiviewer/CMakeFiles/quithumbnail.dir/link.txt \
+   kuiviewer/CMakeFiles/kuiviewerpart.dir/link.txt
+%endif
+
 %make
 
 %install
@@ -94,6 +101,12 @@ exit 0
 %doc COPYING COPYING.LIB
 
 %changelog
+* Tue Sep 10 2019 Automatic Build System <autodist@mambasoft.it> 19.08.1-1mamba
+- automatic version update by autodist
+
+* Tue Sep 10 2019 Automatic Build System <autodist@mambasoft.it> 19.08.0-1mamba
+- automatic version update by autodist
+
 * Fri Jul 12 2019 Automatic Build System <autodist@mambasoft.it> 19.04.3-1mamba
 - automatic version update by autodist