diff --git a/scripts/addInfos.py b/scripts/addInfos.py
index b5a7117c474957d1561ca2bd0ee8a8b8729b400b..d11f91d020f00e943224dc79ebae33c76c9045f1 100755
--- a/scripts/addInfos.py
+++ b/scripts/addInfos.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 
diff --git a/scripts/conllu2fplm.py b/scripts/conllu2fplm.py
index a2ceee275d20d0808b49ea49a8dfa8a0bba25474..d5d16130d8567972bc06ec6dd518c3a703506240 100755
--- a/scripts/conllu2fplm.py
+++ b/scripts/conllu2fplm.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 from readMCD import readMCD
diff --git a/scripts/conllu2splits.py b/scripts/conllu2splits.py
index a1aa10436c9697f607dca7b2d7b1743a9eca7f35..253160cdaa4926c035233bbda6ab5e9d4fd54010 100755
--- a/scripts/conllu2splits.py
+++ b/scripts/conllu2splits.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 from readMCD import readMCD
diff --git a/scripts/conlluCheckProblems.py b/scripts/conlluCheckProblems.py
index dc1004c6c4219b6b273867fb8ff8ff30f19e83f5..abb13d3f0b504451f4fdc8dc9c95e0bba95cd22e 100755
--- a/scripts/conlluCheckProblems.py
+++ b/scripts/conlluCheckProblems.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 
diff --git a/scripts/extractMachines.py b/scripts/extractMachines.py
index 59bff73b32c1082d178ee57f2c349907c7a57c1e..763165cb4170f311d05888fbfd0a4d43a9be7276 100755
--- a/scripts/extractMachines.py
+++ b/scripts/extractMachines.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python3
+#! /usr/bin/env python3
 
 import sys
 import os