diff --git a/bin/install b/bin/install
index 7da7bee..674e8fd 100755
--- a/bin/install
+++ b/bin/install
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -e
+set -eo pipefail
 
 ASDF_INSTALL_TYPE=${ASDF_INSTALL_TYPE:-version  }
 [ -n "$ASDF_INSTALL_VERSION" ] || (echo >&2 'Missing ASDF_INSTALL_VERSION' && exit 1)
diff --git a/bin/list-all b/bin/list-all
index 88676c5..115e8ed 100755
--- a/bin/list-all
+++ b/bin/list-all
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash 
 set -eo pipefail
 
 cmd="curl --silent --location"