diff --git a/app-proto/run-examples b/app-proto/run-examples
index e079089..bc7e933 100755
--- a/app-proto/run-examples
+++ b/app-proto/run-examples
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # run all Cargo examples, as described here:
 #
@@ -8,4 +8,4 @@
 
 cargo run --example irisawa-hexlet
 cargo run --example three-spheres
-cargo run --example point-on-sphere
\ No newline at end of file
+cargo run --example point-on-sphere