diff --git a/tests/appliances/bin/dcc6502-adapter b/tests/appliances/bin/dcc6502-adapter
index f520d39..85b6f17 100755
--- a/tests/appliances/bin/dcc6502-adapter
+++ b/tests/appliances/bin/dcc6502-adapter
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 # script that allows the binary output of sixtypical --output-format=c64-basic-prg --compile to be
 # disassembled by https://github.com/tcarmelveilleux/dcc6502