diff --git a/scripts/firefox-install b/scripts/firefox-install
index 05e046b..3bf6345 100755
--- a/scripts/firefox-install
+++ b/scripts/firefox-install
@@ -28,11 +28,15 @@ KERNEL=$(uname -s)
  # Create Mozilla Firefox shortcut after of install it.
  function create_firefox_icon(){
 
-  cp -rf /opt/firefox/browser/icons/mozicon128.png /usr/share/icons/hicolor/16x16/apps/firefox.png
-  cp -rf /opt/firefox/browser/icons/mozicon128.png /usr/share/icons/hicolor/32x32/apps/firefox.png
-  cp -rf /opt/firefox/browser/icons/mozicon128.png /usr/share/icons/hicolor/48x48/apps/firefox.png
-  cp -rf /opt/firefox/browser/icons/mozicon128.png /usr/share/icons/hicolor/64x64/apps/firefox.png
-  cp -rf /opt/firefox/browser/icons/mozicon128.png /usr/share/icons/hicolor/128x128//apps/firefox.png
+  mkdir -p /usr/share/firefox/icons/
+  cp -rf /opt/firefox/browser/chrome/icons/default/default16.png /usr/share/icons/hicolor/16x16/apps/firefox.png
+  cp -rf /opt/firefox/browser/chrome/icons/default/default32.png /usr/share/icons/hicolor/32x32/apps/firefox.png
+  cp -rf /opt/firefox/browser/chrome/icons/default/default48.png /usr/share/icons/hicolor/48x48/apps/firefox.png
+  cp -rf /opt/firefox/browser/chrome/icons/default/default48.png /usr/share/icons/hicolor/64x64/apps/firefox.png
+  chmod 644 /usr/share/icons/hicolor/16x16/apps/firefox.png
+  chmod 644 /usr/share/icons/hicolor/32x32/apps/firefox.png
+  chmod 644 /usr/share/icons/hicolor/48x48/apps/firefox.png
+  chmod 644 /usr/share/icons/hicolor/64x64/apps/firefox.png
   echo "[Desktop Entry]" > /usr/share/applications/firefox.desktop
   #echo "Encoding=UTF-8" >> /usr/share/applications/firefox.desktop
   echo "Name=Mozilla Firefox" >> /usr/share/applications/firefox.desktop
diff --git a/scripts/thunderbird-install b/scripts/thunderbird-install
index 5bae6c8..03fcda2 100755
--- a/scripts/thunderbird-install
+++ b/scripts/thunderbird-install
@@ -28,11 +28,16 @@ KERNEL=$(uname -s)
  # Create Mozilla Thunderbird shortcut after of install it.
  function create_thunderbird_icon(){
 
-  cp -rf /opt/thunderbird/chrome/icons/default/default48.png /usr/share/icons/hicolor/16x16/apps/thunderbird.png
-  cp -rf /opt/thunderbird/chrome/icons/default/default48.png /usr/share/icons/hicolor/32x32/apps/thunderbird.png
+  cp -rf /opt/thunderbird/chrome/icons/default/default16.png /usr/share/icons/hicolor/16x16/apps/thunderbird.png
+  cp -rf /opt/thunderbird/chrome/icons/default/default32.png /usr/share/icons/hicolor/32x32/apps/thunderbird.png
   cp -rf /opt/thunderbird/chrome/icons/default/default48.png /usr/share/icons/hicolor/48x48/apps/thunderbird.png
   cp -rf /opt/thunderbird/chrome/icons/default/default48.png /usr/share/icons/hicolor/64x64/apps/thunderbird.png
-  cp -rf /opt/thunderbird/chrome/icons/default/default48.png /usr/share/icons/hicolor/128x128//apps/thunderbird.png
+  cp -rf /opt/thunderbird/chrome/icons/default/default256.png /usr/share/icons/hicolor/256x256/apps/thunderbird.png
+  chmod 644 /usr/share/icons/hicolor/16x16/apps/thunderbird.png
+  chmod 644 /usr/share/icons/hicolor/32x32/apps/thunderbird.png
+  chmod 644 /usr/share/icons/hicolor/48x48/apps/thunderbird.png
+  chmod 644 /usr/share/icons/hicolor/64x64/apps/thunderbird.png
+  chmod 644 /usr/share/icons/hicolor/256x256/apps/thunderbird.png
   echo "[Desktop Entry]" > /usr/share/applications/thunderbird.desktop
   #echo "Encoding=UTF-8" >> /usr/share/applications/thunderbird.desktop
   echo "Name=Mozilla Thunderbird" >> /usr/share/applications/thunderbird.desktop