diff --git a/krb5/lib/kadm5srv/Makefile b/krb5/lib/kadm5srv/Makefile
--- a/krb5/lib/kadm5srv/Makefile
+++ b/krb5/lib/kadm5srv/Makefile
@@ -46,6 +46,7 @@
 	-I${KRB5_OBJTOP}/lib/gssapi \
 	-I${KRB5_DIR}/lib/gssapi/krb5 \
 	-I${KRB5_DIR}/lib/gssapi/generic
+CWARNFLAGS+=-Wno-alloc-size-larger-than
 
 HDRDIR=	${KRB5_OBJHDR}/kadm5
 HDRS=	${HDRDIR}/admin.h \