diff --git a/src/SConscript b/src/SConscript
index d21feea..d8014b2 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -1131,7 +1131,7 @@
 # Build a small helper that marshals the Python code using the same
 # version of Python as gem5. This is in an unorthodox location to
 # avoid building it for every variant.
-py_marshal = env.Program('python/marshal.cc')[0]
+py_marshal = env.Program('marshal', 'python/marshal.cc')[0]
 
 # Embed python files.  All .py files that have been indicated by a
 # PySource() call in a SConscript need to be embedded into the M5