diff --git a/src/Makefile b/src/Makefile
index a85a934..fa5b7f3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -5,7 +5,7 @@ LIBDIR	= $(PREFIX)/lib
 CC	= cc
 CPPFLAGSF=
 CPPFLAGS= -D WITH_SSL -I ../include
-CFLAGSF	= -W -Wall -ansi -fPIC
+CFLAGSF	= -W -Wall -pedantic -fPIC
 CFLAGS	= -g
 AR	= ar -rc
 RANLIB	= ranlib
diff --git a/src/project.conf b/src/project.conf
index d48a6bf..131f7f0 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,6 +1,6 @@
 targets=libSystem
 cppflags=-D WITH_SSL -I ../include
-cflags_force=-W -Wall -ansi -fPIC
+cflags_force=-W -Wall -pedantic -fPIC
 cflags=-g
 dist=Makefile,appinterface.h,token.h