diff --git a/markdownrunner.py b/markdownrunner.py
index 1c39010..7566808 100755
--- a/markdownrunner.py
+++ b/markdownrunner.py
@@ -15,6 +15,7 @@ from typing import *
 # Usage: $0 remote.host.name md1 ...
 
 host: str
+directory: str = None
 
 def main():
 	if len(sys.argv) < 3:
@@ -63,7 +64,7 @@ def parse_snippet(s: Tuple[str, str]) -> Sequence[Command]:
 	
 	# We now check the separate lines and possibly tweak them (e.g. by removing sudo-s)
 	lines = s[1].split('\n')
-	directory = None	# Don't cd by default
+	global directory
 	result = []
 	for line in lines:
 		user = None	# This allows (in conjunction with the right order of arguments to 'ssh') to specify the default user in the hostname (as 'user@host.name')