diff --git a/.hgignore b/.hgignore
index 2811edc5c..499a6d82f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,5 +1,5 @@
 syntax: regexp
-^(386|68000|68020|alpha|amd64|arm|power|power64|sparc|sparc64)/(bin|lib)(/|$)
+^(386|68000|68020|alpha|amd64|arm|mips|power|power64|sparc|sparc64)/(bin|lib)(/|$)
 ^(acme|sys/src)/(.*/)?[12578vqki]\..*$
 ^(acme|sys/src)/.*\.[ao]?[12578vqki]?$
 ^(dev|fd|net.*|srv|shr|env|root|proc|boot|mnt|n|bin|usr|cfg|cron|mail|tmp)(/|$)