diff --git a/mozilla/security/nss/cmd/signtool/signtool.h b/mozilla/security/nss/cmd/signtool/signtool.h
index 8e9f1ee597d..ae92fb043e1 100644
--- a/mozilla/security/nss/cmd/signtool/signtool.h
+++ b/mozilla/security/nss/cmd/signtool/signtool.h
@@ -52,6 +52,7 @@
 #include "secpkcs7.h"
 #include "pk11func.h"
 #include "secmod.h"
+#include "secmodi.h"
 #include "plhash.h"
 #include "nss.h"