diff --git a/tests/conversion/after-5.sh b/tests/conversion/after-5.sh
index 4b7057645..ddaa07d3a 100755
--- a/tests/conversion/after-5.sh
+++ b/tests/conversion/after-5.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 
 sed 's/^Loop::set.*;//g' -i vendor/amphp/amp/lib/Loop.php
 echo 'Loop::set((new DriverFactory())->create());' >> vendor/amphp/amp/lib/Loop.php
diff --git a/tests/conversion/after-70.sh b/tests/conversion/after-70.sh
index 2734e3ad2..ae4f60f15 100755
--- a/tests/conversion/after-70.sh
+++ b/tests/conversion/after-70.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 
 find vendor/danog/madelineproto -type f -name '*.php' -exec sed 's/: EncryptableSocket/: \\Amp\\Socket\\Socket/g' -i {} +
 
diff --git a/tests/conversion/prepare-5.sh b/tests/conversion/prepare-5.sh
index 0c2edcf29..25e7b0e6a 100755
--- a/tests/conversion/prepare-5.sh
+++ b/tests/conversion/prepare-5.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 
 rm -rf vendor/danog/madelineproto/docs