diff --git a/src/emacs.c b/src/emacs.c
index 667b1db267bbeeac1fe8b1769fe8cef0452cec72..859e1dd9fd3463f1b69874b27e4dcd9265a623be 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -965,6 +965,9 @@ the Bugs section of the Emacs manual or the file BUGS.\n", argv[0]);
   init_eval ();
   init_coding ();
   init_data ();
+#ifdef CLASH_DETECTION
+  init_filelock ();;
+#endif
   running_asynch_code = 0;
 
   /* Handle --unibyte and the EMACS_UNIBYTE envvar,