diff --git a/src/main/scala/eu/nomad_lab/parsers/OctopusParser.scala b/src/main/scala/eu/nomad_lab/parsers/OctopusParser.scala
index 89f225ffd12145a69b522cadf75aaf3bcc0240c3..2bf1476e7708bd8c7d85825a3357ab7bf9d5bcc8 100644
--- a/src/main/scala/eu/nomad_lab/parsers/OctopusParser.scala
+++ b/src/main/scala/eu/nomad_lab/parsers/OctopusParser.scala
@@ -25,7 +25,7 @@ object OctopusParser extends SimpleExternalParserGenerator(
   mainFileRe = """\*{32} Grid \*{32}
 Simulation Box:
 """.r,
-  cmd = Seq(DefaultPythonInterpreter.python2Exe(), "${envDir}/parsers/octopus/parser/parser-octopus/parser_octopus.py",
+  cmd = Seq(DefaultPythonInterpreter.pythonExe(), "${envDir}/parsers/octopus/parser/parser-octopus/parser_octopus.py",
     "--uri", "${mainFileUri}", "${mainFilePath}"),
   resList = Seq(
     "parser-octopus/parser_octopus.py",