diff --git a/makefile b/makefile
index 07dc32f..7347d5b 100644
--- a/makefile
+++ b/makefile
@@ -2,6 +2,12 @@ all: build-server
 
 Q ?= @
 
+# By default, the following makefile rules will use the compiled version
+# of the applications (authd, authc), not the ones from the system
+# (in /usr/local/bin/ for example).
+# To avoid that, use: "make <rule> LOC="
+LOC ?= ./bin/
+
 include mk/build.mk
 include mk/install.mk
 include mk/setup.mk