diff --git a/source/Interpreter/ScriptInterpreterPython.cpp b/source/Interpreter/ScriptInterpreterPython.cpp
index f1f4a32..6b71c82 100644
--- a/source/Interpreter/ScriptInterpreterPython.cpp
+++ b/source/Interpreter/ScriptInterpreterPython.cpp
@@ -204,7 +204,7 @@
     PyRun_SimpleString (run_string.GetData());
     
     run_string.Clear();
-    run_string.Printf ("run_one_line (%s, 'lldb.debugger_unique_id = %d')", m_dictionary_name.c_str(),
+    run_string.Printf ("run_one_line (%s, 'lldb.debugger_unique_id = %llu')", m_dictionary_name.c_str(),
                        interpreter.GetDebugger().GetID());
     PyRun_SimpleString (run_string.GetData());
     
@@ -306,13 +306,13 @@
 
     StreamString run_string;
 
-    run_string.Printf ("run_one_line (%s, 'lldb.debugger_unique_id = %d')", m_dictionary_name.c_str(),
+    run_string.Printf ("run_one_line (%s, 'lldb.debugger_unique_id = %llu')", m_dictionary_name.c_str(),
                        GetCommandInterpreter().GetDebugger().GetID());
     PyRun_SimpleString (run_string.GetData());
     run_string.Clear();
     
 
-    run_string.Printf ("run_one_line (%s, 'lldb.debugger = lldb.SBDebugger.FindDebuggerWithID (%d)')", 
+    run_string.Printf ("run_one_line (%s, 'lldb.debugger = lldb.SBDebugger.FindDebuggerWithID (%llu)')", 
                        m_dictionary_name.c_str(),
                        GetCommandInterpreter().GetDebugger().GetID());
     PyRun_SimpleString (run_string.GetData());