diff --git a/test-suite/clean_tests b/test-suite/clean_tests
index 83a679cf..f766872c 100755
--- a/test-suite/clean_tests
+++ b/test-suite/clean_tests
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 This script runs the tests either asking interactively if you want to run 
 only one, or runs them all with the proper command-line options.
diff --git a/test-suite/run_tests b/test-suite/run_tests
index 32af9686..204c883f 100755
--- a/test-suite/run_tests
+++ b/test-suite/run_tests
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """
 This script runs the tests either asking interactively if you want to run 
 only one, or runs them all with the proper command-line options.