diff --git a/toonz/sources/CMakeLists.txt b/toonz/sources/CMakeLists.txt
index 97b0e38..ef90216 100644
--- a/toonz/sources/CMakeLists.txt
+++ b/toonz/sources/CMakeLists.txt
@@ -208,7 +208,7 @@ if (MSVC AND MSVC_VERSION EQUAL 1800)
 endif()
 
 # generate Qt translations and messages
-set(LANGUAGES japanese italian french)
+set(LANGUAGES japanese italian french spanish)
 
 function(add_translation module)
     set(translation)