diff --git a/config_parser.py b/config_parser.py
index 4620583..ecb2f2a 100755
--- a/config_parser.py
+++ b/config_parser.py
@@ -37,7 +37,7 @@
 
     # filename ::= [A-Za-z0-9][-A-Za-z0-9._ ]+
     filename_first = Word(alphanums, exact=1)
-    filename_rest = Word(alphanums + "-_. ")
+    filename_rest = Word(alphanums + "-_/. ")
     filename = Combine(filename_first + Optional(filename_rest))
 
     # millisecs ::= "." [0-9]+