diff --git a/docker/DockerfileCli b/docker/DockerfileCli
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/frontend/src/lib/components/InputTransformForm.svelte b/frontend/src/lib/components/InputTransformForm.svelte
index f513112180..40507bbf27 100644
--- a/frontend/src/lib/components/InputTransformForm.svelte
+++ b/frontend/src/lib/components/InputTransformForm.svelte
@@ -287,6 +287,7 @@
 												arg.value = undefined
 											}
 											arg.expr = undefined
+											arg.type = 'static'
 										}
 									} else {
 										if (arg) {
diff --git a/frontend/src/lib/utils.ts b/frontend/src/lib/utils.ts
index 7bfe108715..069f9ccb7c 100644
--- a/frontend/src/lib/utils.ts
+++ b/frontend/src/lib/utils.ts
@@ -662,7 +662,10 @@ export function toCamel(s: string) {
 	})
 }
 
-export function cleanExpr(expr: string): string {
+export function cleanExpr(expr: string | undefined): string {
+	if (!expr) {
+		return ''
+	}
 	return expr
 		.split('\n')
 		.filter((x) => x != '' && !x.startsWith(`import `))