diff --git a/bin/pt-stalk b/bin/pt-stalk
index 5ee21363..aee02abf 100755
--- a/bin/pt-stalk
+++ b/bin/pt-stalk
@@ -60,7 +60,7 @@ HAVE_EXT_ARGV=""  # Got --, everything else is put into EXT_ARGV
 OPT_ERRS=0        # How many command line option errors
 OPT_VERSION=""    # If --version was specified
 OPT_HELP=""       # If --help was specified
-PO_DIR="$TMPDIR/po"  # Directory with program option spec files
+PO_DIR=""         # Directory with program option spec files
 
 usage() {
    local file="$1"
diff --git a/lib/bash/parse_options.sh b/lib/bash/parse_options.sh
index 59aff04a..805b82f5 100644
--- a/lib/bash/parse_options.sh
+++ b/lib/bash/parse_options.sh
@@ -54,7 +54,7 @@ HAVE_EXT_ARGV=""  # Got --, everything else is put into EXT_ARGV
 OPT_ERRS=0        # How many command line option errors
 OPT_VERSION=""    # If --version was specified
 OPT_HELP=""       # If --help was specified
-PO_DIR="$TMPDIR/po"  # Directory with program option spec files
+PO_DIR=""         # Directory with program option spec files
 
 # Sub: usage
 #   Print usage (--help) and list the program's options.