diff --git a/gnu/usr.bin/man/man/man.c b/gnu/usr.bin/man/man/man.c
index 721c5e6cd27..1703a5b3b68 100644
--- a/gnu/usr.bin/man/man/man.c
+++ b/gnu/usr.bin/man/man/man.c
@@ -833,7 +833,7 @@ get_expander (file)
     return YCAT;
 #endif	/* YCAT */
 #ifdef ZCAT
-  if (*end == 'Z' || !strcmp(end, "gz"))
+  if (*end == 'Z' || !strcmp(end, "gz") || !strcmp(end, "bz2"))
     return ZCAT;
 #endif	/* ZCAT */
   return NULL;