diff --git a/install/setup-js-sdk-assets.sh b/install/setup-js-sdk-assets.sh
index cba66442689..f576e273c43 100644
--- a/install/setup-js-sdk-assets.sh
+++ b/install/setup-js-sdk-assets.sh
@@ -16,7 +16,7 @@ if [[ "${SETUP_JS_SDK_ASSETS:-}" == "1" ]]; then
 
   jq="$CONTAINER_ENGINE run --rm -i sentry-self-hosted-jq-local"
 
-  loader_registry=$($dcr --no-deps --rm -T web cat /usr/src/sentry/src/sentry/loader/_registry.json)
+  loader_registry=$($dcr --no-deps --rm -T web python3 -m json.tool /usr/src/sentry/src/sentry/loader/_registry.json)
   # The `loader_registry` should start with "Updating certificates...", we want to delete that and the subsequent ca-certificates related lines.
   # We want to remove everything before the first '{'.
   loader_registry=$(echo "$loader_registry" | sed '0,/{/s/[^{]*//')