diff --git a/src/lib/ecore/meson.build b/src/lib/ecore/meson.build
index ce19d045e1..6fc4b2c38f 100644
--- a/src/lib/ecore/meson.build
+++ b/src/lib/ecore/meson.build
@@ -181,6 +181,7 @@ ecore_src = [
   'efl_exe.c',
   'efl_thread.c',
   'efl_threadio.c',
+  'efl_appthread.c',
 ]
 
 if sys_windows == true