diff --git a/sh/tests/json-researcher_test.sh b/sh/tests/json-researcher_test.sh
old mode 100644
new mode 100755
diff --git a/sh/tests/solutions/json-researcher.sh b/sh/tests/solutions/json-researcher.sh
index 6a66f96e..0f4adcd2 100755
--- a/sh/tests/solutions/json-researcher.sh
+++ b/sh/tests/solutions/json-researcher.sh
@@ -1 +1,2 @@
+#!/usr/bin/env bash
 curl -s https://content.01-edu.org/assets/superhero/all.json | jq '.[] | select(.id==1)' | grep "name\|\"power\""
\ No newline at end of file