diff --git a/train.sh b/train.sh
index 21c9b6b..d42cb51 100755
--- a/train.sh
+++ b/train.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Train a GT4HistOCR Calamari model
 # (or rather 5 for voted prediction)