diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38c92f493..37b04b420 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -84,6 +84,7 @@ set (WSJT_BIN_DESTINATION bin)
 set (WSJT_LIB_DESTINATION lib)
 set (WSJT_SHARE_DESTINATION share)
 set (WSJT_DOC_DESTINATION doc/WSJT-X)
+set (WSJT_MANPAGE_DESTINATION share)
 set (WSJT_PLUGIN_DESTINATION lib/plugins)
 set (WSJT_QT_CONF_DESTINATION bin)
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 24c2f379c..f50bc5fec 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -990,7 +990,7 @@ void MainWindow::msgBox(QString t)                             //msgBox
 
 void MainWindow::on_actionOnline_User_Guide_triggered()      //Display manual
 {
-  QDesktopServices::openUrl (QUrl (PROJECT_MANUAL_DIRECTORY_URL PROJECT_MANUAL));
+  QDesktopServices::openUrl (QUrl (PROJECT_MANUAL_DIRECTORY_URL "/" PROJECT_MANUAL));
 }
 
 //Display local copy of manual