diff --git a/hack/lib/dev-env.sh b/hack/lib/dev-env.sh
index 0394732a3..e2b6043f5 100644
--- a/hack/lib/dev-env.sh
+++ b/hack/lib/dev-env.sh
@@ -31,13 +31,18 @@ fi
 
 OUTPUT="${OUTPUT:-${REPO_ROOT}/_output}"
 
+err_report() {
+    echo "Exited with error on line $1"
+}
+trap 'err_report $LINENO' ERR
+
 # Parameters
 
 # Parameters required to be set by caller for dev environment creation only:
 #   AUTHENTICATOR_IMAGE
 #   ADMIN_ARN
 
-# Parameters with sane defaults: 
+# Parameters with sane defaults:
 AUTHENTICATOR_BIN="${AUTHENTICATOR_BIN:-${OUTPUT}/bin/aws-iam-authenticator}"
 REGION="${REGION:-us-west-2}"
 APISERVER_URL="${APISERVER_URL:-https://127.0.0.1:6443}"