diff --git a/scripts/plotBSMxsBRLimit.py b/scripts/plotBSMxsBRLimit.py
index e22cb314d0f..b2e82500ead 100644
--- a/scripts/plotBSMxsBRLimit.py
+++ b/scripts/plotBSMxsBRLimit.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 from __future__ import absolute_import
 from __future__ import print_function
 import HiggsAnalysis.CombinedLimit.util.plotting as plot
diff --git a/scripts/plotLimitGrid.py b/scripts/plotLimitGrid.py
index b380830f74b..358c32d07aa 100755
--- a/scripts/plotLimitGrid.py
+++ b/scripts/plotLimitGrid.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from __future__ import absolute_import
 from __future__ import print_function
 import HiggsAnalysis.CombinedLimit.util.plotting as plot