diff --git a/python/sepolgen/src/sepolgen/refparser.py b/python/sepolgen/src/sepolgen/refparser.py
index e261d3f78..41e0d52c8 100644
--- a/python/sepolgen/src/sepolgen/refparser.py
+++ b/python/sepolgen/src/sepolgen/refparser.py
@@ -486,7 +486,7 @@ def p_interface_call_param(p):
                             | nested_id_set
                             | TRUE
                             | FALSE
-                            | FILENAME
+                            | quoted_filename
     '''
     # Intentionally let single identifiers pass through
     # List means set, non-list identifier
@@ -497,6 +497,12 @@ def p_interface_call_param(p):
     else:
         p[0] = [p[1], "-" + p[3]]
 
+def p_quoted_filename(p):
+    '''quoted_filename : TICK quoted_filename SQUOTE
+                       | FILENAME
+    '''
+    p[0] = p[1]
+
 def p_interface_call_param_list(p):
     '''interface_call_param_list : interface_call_param
                                  | interface_call_param_list COMMA interface_call_param