diff --git a/templates/rcorder/files/Makefile b/templates/rcorder/files/Makefile
index 1b52b1d3c51..7c498506091 100644
--- a/templates/rcorder/files/Makefile
+++ b/templates/rcorder/files/Makefile
@@ -4,3 +4,4 @@ OBJS= fgetln.o fparseln.o ealloc.o hash.o rcorder.o
 TOPDIR= ../../..
 include $(TOPDIR)/prog.mk
 LDFLAGS=
+WARNFLAGS= -Wall -Wextra