diff --git a/guacamole/libguac/Makefile.am b/guacamole/libguac/Makefile.am
index 1a9affa41..9ecdecaf0 100644
--- a/guacamole/libguac/Makefile.am
+++ b/guacamole/libguac/Makefile.am
@@ -1,4 +1,7 @@
 AUTOMAKE_OPTIONS = gnu
+
+AM_CFLAGS = -Werror -Wall -Iinclude
+
 lib_LTLIBRARIES = libguac.la
 
 libguac_la_SOURCES = client.c clientreg.c guacio.c protocol.c uuidtree.c