diff --git a/src/Gui/PreferencePacks/Classic theme/Classic.cfg b/src/Gui/PreferencePacks/Classic theme/Classic theme.cfg
similarity index 100%
rename from src/Gui/PreferencePacks/Classic theme/Classic.cfg
rename to src/Gui/PreferencePacks/Classic theme/Classic theme.cfg
diff --git a/src/Gui/PreferencePacks/Dark theme/Dark.cfg b/src/Gui/PreferencePacks/Dark theme/Dark theme.cfg
similarity index 100%
rename from src/Gui/PreferencePacks/Dark theme/Dark.cfg
rename to src/Gui/PreferencePacks/Dark theme/Dark theme.cfg
diff --git a/src/Gui/PreferencePacks/Light theme/Light.cfg b/src/Gui/PreferencePacks/Light theme/Light theme.cfg
similarity index 100%
rename from src/Gui/PreferencePacks/Light theme/Light.cfg
rename to src/Gui/PreferencePacks/Light theme/Light theme.cfg