diff --git a/src/Makefile.am b/src/Makefile.am
index fa144a0..472853b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,3 @@
-AM_CFLAGS = -Wall
+AM_CFLAGS = -Wall -Werror
 bin_PROGRAMS=init
 init_SOURCES=init.c jsmn.c net.c util.c parse.c parson.c container.c exec.c event.c portmapping.c