diff --git a/virtualsmartcard/src/vpicc/virtualsmartcard/SEutils.py b/virtualsmartcard/src/vpicc/virtualsmartcard/SEutils.py
index 4a5efff..466f612 100644
--- a/virtualsmartcard/src/vpicc/virtualsmartcard/SEutils.py
+++ b/virtualsmartcard/src/vpicc/virtualsmartcard/SEutils.py
@@ -395,6 +395,10 @@ class Security_Environment(object):
         # FIXME
         #if expected != "":
             #raise SwError(SW["ERR_SECMESSOBJECTSMISSING"])
+
+        if isinstance(le, str):
+            # FIXME C_APDU only handles le with strings of length 1. Better patch utils.py to support extended length apdus
+            le = stringtoint(le)
         
         c = C_APDU(cla=cla, ins=ins, p1=p1, p2=p2, le=le, data="".join(return_data))
         return c