diff --git a/test-templates/Makefile.decl b/test-templates/Makefile.decl
index 4d0f39bcc8..d0164da25e 100644
--- a/test-templates/Makefile.decl
+++ b/test-templates/Makefile.decl
@@ -1,3 +1,4 @@
+# -*- makefile-automake-mode -*-
 # GLIB - Library of useful C routines
 
 GTESTER = gtester 					# for non-GLIB packages