diff --git a/mail/libspf2/Makefile b/mail/libspf2/Makefile
index 0db7534618f7..9f69eb86ba26 100644
--- a/mail/libspf2/Makefile
+++ b/mail/libspf2/Makefile
@@ -22,7 +22,7 @@ USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 
 post-patch:
-	@${REINPLACE_CMD} -e "s|-lpthread|${PTHREAD_LIBS}|g" \
-		${WRKSRC}/configure
+	@${REINPLACE_CMD} -e 's|-lpthread|${PTHREAD_LIBS}|g' ${WRKSRC}/configure
+	@${REINPLACE_CMD} -e '/__VA_ARGS__/ s|format, ||g' ${WRKSRC}/src/include/spf_log.h
 
 .include <bsd.port.mk>