--- a/LPCconnector/LPCAppObject.py	Mon May 06 16:32:27 2013 +0200
+++ b/LPCconnector/LPCAppObject.py	Tue May 07 12:27:35 2013 +0200
@@ -76,7 +76,7 @@
                 if force !=None:
                     c_type,unpack_func, pack_func = TypeTranslator.get(iectype, (None,None,None))
                     forced_type_size = ctypes.sizeof(c_type) \
-                        if iectype != "STRING" else len(force[-1])+1
+                        if iectype != "STRING" else len(force)+1
                     forced_type_size_str = chr(forced_type_size)
                     forcestr = ctypes.string_at(
                                 ctypes.pointer(