diff --git a/src/Makefile b/src/Makefile
index a3cd6b3..e19f450 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,7 +6,7 @@ CC	= cc
 CPPFLAGSF=
 CPPFLAGS=
 CFLAGSF	= -W
-CFLAGS	= -Wall -g -O2 -ansi
+CFLAGS	= -Wall -g -O2 -pedantic
 RM	= rm -f
 LN	= ln -f
 MKDIR	= mkdir -p
diff --git a/src/project.conf b/src/project.conf
index 0519948..f49bb39 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,6 +1,6 @@
 targets=basename,cat,chgrp,chmod,chown,cksum,cmp,cp,df,dirname,du,echo,false,file,find,head,id,kill,link,ln,locale,logname,ls,mkdir,mkfifo,mv,nice,pr,printf,pwd,renice,rm,rmdir,sleep,strings,tail,test,time,touch,true,tty,uname,uniq,unlink,wc,who
 cflags_force=-W
-cflags=-Wall -g -O2 -ansi
+cflags=-Wall -g -O2 -pedantic
 dist=Makefile,common.c
 
 [basename]