diff --git a/Makefile.config b/Makefile.config
index 1829a5a2..dca43118 100644
--- a/Makefile.config
+++ b/Makefile.config
@@ -1,7 +1,7 @@
 
 # install configuration
 
-CFLAGS    ?= -g
+CFLAGS    ?= -g -Wall
 CC        ?= cc
 AR        ?= ar
 #CD        ?= cd