diff --git a/build/cmake/options.cmake b/build/cmake/options.cmake
index 606ba6f75f..d86c47cc26 100644
--- a/build/cmake/options.cmake
+++ b/build/cmake/options.cmake
@@ -285,7 +285,7 @@ wx_option(wxUSE_COMBOCTRL "use wxComboCtrl class")
 wx_option(wxUSE_COMMANDLINKBUTTON "use wxCommmandLinkButton class")
 wx_option(wxUSE_DATAVIEWCTRL "use wxDataViewCtrl class")
 wx_option(wxUSE_DATEPICKCTRL "use wxDatePickerCtrl class")
-wx_option(wxUSE_DETECT_SM "_sm      use code to detect X11 session manager")
+wx_option(wxUSE_DETECT_SM "use code to detect X11 session manager" OFF)
 wx_option(wxUSE_DIRPICKERCTRL "use wxDirPickerCtrl class")
 wx_option(wxUSE_DISPLAY "use wxDisplay class")
 wx_option(wxUSE_EDITABLELISTBOX "use wxEditableListBox class")