diff --git a/rules.defs b/rules.defs
index 72ffdff..9162994 100644
--- a/rules.defs
+++ b/rules.defs
@@ -9,7 +9,10 @@ builddir	= $(PWD)/build
 stampdir	= stamps
 
 # FIXME: lsb_release triggers a kernel bug on the Debian mips/mipsel buildds
-ifneq (,$(filter $(DEB_TARGET_ARCH),mips mipsel))
+#        And the architecture in debian-ports cannot get distrelease by lsb_release command.
+#        This become 'n/a'.
+DEBIAN_PORTS_ARCH=avr32 powerpcspe sh4 sparc64
+ifneq (,$(filter $(DEB_TARGET_ARCH),mips mipsel $(DEBIAN_PORTS_ARCH)))
   distribution	:= Debian
   distrelease	:= sid
 else