diff --git a/Makefile.am b/Makefile.am
index 2ff1b5b..5602f38 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,6 +37,7 @@ noinst_LTLIBRARIES = \
 	libmconn-crypt.la
 
 VALAFLAGS = \
+	--no-color \
 	-g \
 	--pkg=json-glib-1.0 \
 	--pkg=gee-0.8 \