diff --git a/examples/01_real-from-ideal.sh b/examples/01_real-from-ideal.sh
index 113c8677812a0c53347f292ea7c42b24614de3be..d9faacb5fd3383af3dd56ff11cdd9b28aee0b40c 100644
--- a/examples/01_real-from-ideal.sh
+++ b/examples/01_real-from-ideal.sh
@@ -1,4 +1,4 @@
-#!/bin bash
+#!/bin/bash
 set -euo pipefail
 
 STAGE=${1:-}