diff --git a/modules/canonicalize b/modules/canonicalize
index be574faa37..3a10f4db09 100644
--- a/modules/canonicalize
+++ b/modules/canonicalize
@@ -4,6 +4,7 @@ Return the canonical absolute name of a given file.
 Files:
 lib/canonicalize.h
 lib/canonicalize.c
+lib/pathmax.h
 m4/canonicalize.m4
 
 Depends-on: