diff --git tests/builtins.right tests/builtins.right
index d708c18..32b2cfd 100644
--- tests/builtins.right
+++ tests/builtins.right
@@ -362,7 +362,7 @@ A star (*) next to a name means that the command is disabled.
  complete [-abcdefgjksuv] [-pr] [-DEI]>  set [-abefhkmnptuvxBCEHPT] [-o optio>
  compopt [-o|+o option] [-DEI] [name .>  shift [n]
  continue [n]                            shopt [-pqsu] [-o] [optname ...]
- coproc [NAME] command [redirections]    source [-p path] filename [argument>
+ coproc [NAME] command [redirections]    source [-p path] filename [arguments>
  declare [-aAfFgiIlnrtux] [name[=value>  suspend [-f]
  dirs [-clpv] [+N] [-N]                  test [expr]
  disown [-h] [-ar] [jobspec ... | pid >  time [-p] pipeline
diff --git tests/source8.sub tests/source8.sub
index a6826da..fc4ae8c 100644
--- tests/source8.sub
+++ tests/source8.sub
@@ -15,7 +15,7 @@
 # test various uses of source -p
 
 : ${THIS_SH:=./bash}
-PATH=/bin:/usr/bin:/sbin:/usr/sbin
+PATH="$(dirname "$(type -P mkdir)")"
 
 : ${TMPDIR:=/var/tmp}
 export TDIR=${TMPDIR}/cwd-$$