diff --git a/variables.cmake b/variables.cmake
index 8d8e71ca..2926fb15 100644
--- a/variables.cmake
+++ b/variables.cmake
@@ -36,6 +36,9 @@ if (DESKTOP_APP_ENABLE_IPO_OPTIMIZATIONS AND CMAKE_CXX_COMPILER_ID MATCHES "Clan
     set(DESKTOP_APP_ENABLE_IPO_OPTIMIZATIONS OFF)
 endif()
 
+option(DESKTOP_APP_USE_HUNSPELL_ONLY "Disable system spellchecker and use bundled Hunspell only. (For debugging purposes)" OFF)
+option(DESKTOP_APP_USE_ENCHANT "Use Enchant instead of bundled Hunspell. (Linux only)" OFF)
+
 if (DESKTOP_APP_SPECIAL_TARGET STREQUAL ""
     OR DESKTOP_APP_SPECIAL_TARGET STREQUAL "uwp"
     OR DESKTOP_APP_SPECIAL_TARGET STREQUAL "macstore")