diff --git a/src/lint.lisp b/src/lint.lisp
index 373cd40..13c3c3e 100644
--- a/src/lint.lisp
+++ b/src/lint.lisp
@@ -511,6 +511,7 @@ care of."
   :file-predicate '(:or
 		    (:has-name "Makefile")
 		    (:has-name "Makefile.in")
+		    (:has-name "Makefile.config.in")
 		    (:has-prefix "Makefile.")
 		    (:has-suffix ".mk")
 		    (:has-suffix ".mk.in"))