diff --git a/lib/xos-genx/xosgenx/jinja2_extensions/base.py b/lib/xos-genx/xosgenx/jinja2_extensions/base.py
index f8224b2..dd19bd8 100644
--- a/lib/xos-genx/xosgenx/jinja2_extensions/base.py
+++ b/lib/xos-genx/xosgenx/jinja2_extensions/base.py
@@ -272,3 +272,9 @@
         return list
     else:
         return False
+
+def xproto_is_true(x):
+    # TODO: Audit xproto and make specification of trueness more uniform
+    if (x==True) or (x=="True") or (x=='"True"'):
+        return True
+    return False