diff --git a/Makefile b/Makefile
index 44e1d5d..a1ab586 100644
--- a/Makefile
+++ b/Makefile
@@ -24,8 +24,8 @@ INSTALL=install -v
 INSTALL_PROGRAM = $(INSTALL)
 INSTALL_DATA = $(INSTALL) -m 644
 
-#CFLAGS=-O3 -Wall -Werror
-CFLAGS=-O0 -g -Wall
+CFLAGS=-O3 -Wall -Werror
+#CFLAGS=-O0 -g -Wall
 
 all:	mxshadowsrv libnss_mxshadow.so.2 test_server test_query_shadow