diff --git a/secure/lib/libcrypto/Makefile b/secure/lib/libcrypto/Makefile
index 564c031930c9..459a16c4b64c 100644
--- a/secure/lib/libcrypto/Makefile
+++ b/secure/lib/libcrypto/Makefile
@@ -430,7 +430,7 @@ SRCS+=	buildinf.h
 CLEANDIRS=	openssl
 CLEANFILES=	buildinf.h opensslconf.h opensslconf.h.tmp
 
-buildinf.h:
+buildinf.h: Makefile
 	( echo "/*"; \
 	echo " * WARNING: do not edit!"; \
 	echo " * Generated by ${.ALLSRC}"; \