diff --git a/packages/backend-core/src/context/types.ts b/packages/backend-core/src/context/types.ts
index 65e9a3778a..06f75ce6af 100644
--- a/packages/backend-core/src/context/types.ts
+++ b/packages/backend-core/src/context/types.ts
@@ -10,6 +10,6 @@ export type ContextMap = {
   isScim?: boolean
   automationId?: string
   isMigrating?: boolean
-  jsIsolate: Isolate
-  jsContext: Context
+  jsIsolate?: Isolate
+  jsContext?: Context
 }
diff --git a/packages/server/src/jsRunner.ts b/packages/server/src/jsRunner.ts
index 5d3face3d8..cdc619ebc0 100644
--- a/packages/server/src/jsRunner.ts
+++ b/packages/server/src/jsRunner.ts
@@ -33,7 +33,7 @@ export function init() {
         }
       }
 
-      const global = bbCtx.jsContext.global
+      const global = bbCtx.jsContext!.global
       for (const [key, value] of Object.entries(ctx)) {
         if (typeof value === "function") {
           // Can't copy functions into the isolate, so we just ignore them
@@ -43,7 +43,7 @@ export function init() {
       }
 
       const script = bbCtx.jsIsolate.compileScriptSync(js)
-      return script.runSync(bbCtx.jsContext, {
+      return script.runSync(bbCtx.jsContext!, {
         timeout: env.JS_PER_EXECUTION_TIME_LIMIT_MS,
       })
     })