diff --git a/CMakeLists.txt b/CMakeLists.txt
index db8e49e..1d07700 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -103,9 +103,9 @@ if(UNIX AND NOT APPLE)
     if(XDG-DESKTOP-MENU_EXECUTABLE)
         install(SCRIPT install.cmake)
     else()
-        install(FILES space.nouspiro-tenmon.desktop DESTINATION "${CMAKE_INSTALL_DATADIR}/applications")
-        install(FILES resources/space.nouspiro-tenmon.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/64x64/apps")
-        install(FILES resources/space.nouspiro-tenmon_128.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/128x128/apps" RENAME space.nouspiro-tenmon.png)
+        install(FILES space.nouspiro.tenmon.desktop DESTINATION "${CMAKE_INSTALL_DATADIR}/applications")
+        install(FILES resources/space.nouspiro.tenmon.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/64x64/apps")
+        install(FILES resources/space.nouspiro.tenmon_128.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/128x128/apps" RENAME space.nouspiro.tenmon.png)
     endif()
     install(FILES space.nouspiro.tenmon.metainfo.xml DESTINATION "${CMAKE_INSTALL_DATADIR}/metainfo")
 endif(UNIX AND NOT APPLE)
diff --git a/about/tenmon b/about/tenmon
index cbfa644..84e6f91 100644
--- a/about/tenmon
+++ b/about/tenmon
@@ -1,5 +1,5 @@
 <table><tr>
-<td style="padding-right:10px"><img src=":/space.nouspiro-tenmon.png"></td>
+<td style="padding-right:10px"><img src=":/space.nouspiro.tenmon.png"></td>
 <td><h3>Tenmon</h3>
 Tenmon is FITS/XISF image viewer and converter. It also index FITS keywords.<br>
 v@GITVERSION@ Copyright © 2022 Dušan Poizl<br><br>
diff --git a/install.cmake b/install.cmake
index 3aecfc6..fb78fc9 100644
--- a/install.cmake
+++ b/install.cmake
@@ -1,5 +1,5 @@
 find_program(XDG-DESKTOP-MENU_EXECUTABLE xdg-desktop-menu)
 find_program(XDG-ICON-RESOURCE_EXECUTABLE xdg-icon-resource)
-execute_process(COMMAND ${XDG-DESKTOP-MENU_EXECUTABLE} install space.nouspiro-tenmon.desktop WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
-execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --size 64 resources/space.nouspiro-tenmon.png space.nouspiro-tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
-execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --size 128 resources/space.nouspiro-tenmon_128.png space.nouspiro-tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-DESKTOP-MENU_EXECUTABLE} install --novendor space.nouspiro.tenmon.desktop WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 64 resources/space.nouspiro.tenmon.png space.nouspiro.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 128 resources/space.nouspiro.tenmon_128.png space.nouspiro.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
diff --git a/main.cpp b/main.cpp
index d74c6a1..c825d5b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -36,7 +36,7 @@ int main(int argc, char *argv[])
     QApplication a(argc, argv);
     a.setOrganizationName("nou");
     a.setApplicationName("Tenmon");
-    a.setWindowIcon(QIcon(":/space.nouspiro-tenmon.png"));
+    a.setWindowIcon(QIcon(":/space.nouspiro.tenmon.png"));
 
     QTranslator translator;
     QTranslator translator2;
diff --git a/resources/resources.qrc b/resources/resources.qrc
index ead97ca..7c9c473 100644
--- a/resources/resources.qrc
+++ b/resources/resources.qrc
@@ -15,15 +15,15 @@
         <file>bggr.png</file>
         <file>grbg.png</file>
         <file>gbrg.png</file>
-        <file>space.nouspiro-tenmon.png</file>
+        <file>space.nouspiro.tenmon.png</file>
     </qresource>
-    <qresource prefix="/" lang="en">
+    <qresource lang="en" prefix="/">
         <file alias="help">../about/help_en</file>
     </qresource>
-    <qresource prefix="/" lang="sk">
+    <qresource lang="sk" prefix="/">
         <file alias="help">../about/help_sk</file>
     </qresource>
-    <qresource prefix="/" lang="fr">
+    <qresource lang="fr" prefix="/">
         <file alias="help">../about/help_fr</file>
     </qresource>
 </RCC>
diff --git a/resources/space.nouspiro-tenmon.png b/resources/space.nouspiro.tenmon.png
similarity index 100%
rename from resources/space.nouspiro-tenmon.png
rename to resources/space.nouspiro.tenmon.png
diff --git a/resources/space.nouspiro-tenmon_128.png b/resources/space.nouspiro.tenmon_128.png
similarity index 100%
rename from resources/space.nouspiro-tenmon_128.png
rename to resources/space.nouspiro.tenmon_128.png
diff --git a/space.nouspiro-tenmon.desktop b/space.nouspiro.tenmon.desktop
similarity index 88%
rename from space.nouspiro-tenmon.desktop
rename to space.nouspiro.tenmon.desktop
index 4f9c153..0249660 100644
--- a/space.nouspiro-tenmon.desktop
+++ b/space.nouspiro.tenmon.desktop
@@ -1,7 +1,7 @@
 [Desktop Entry]
 Type=Application
 Exec=tenmon %U
-Icon=space.nouspiro-tenmon
+Icon=space.nouspiro.tenmon
 Comment=FITS Image viewer
 Name=Tenmon
 Categories=Graphics;2DGraphics;RasterGraphics;Viewer;Science;Astronomy
diff --git a/space.nouspiro.tenmon.metainfo.xml b/space.nouspiro.tenmon.metainfo.xml
index 4e614ec..fc40cc9 100644
--- a/space.nouspiro.tenmon.metainfo.xml
+++ b/space.nouspiro.tenmon.metainfo.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
     <id>space.nouspiro.tenmon</id>
-    <launchable type="desktop-id">space.nouspiro-tenmon.desktop</launchable>
+    <launchable type="desktop-id">space.nouspiro.tenmon.desktop</launchable>
     <name>Tenmon</name>
     <summary>FITS/XISF image viewer, converter, index and search</summary>
     <developer id="nouspiro.space">