diff --git a/.gitignore b/.gitignore
index a131e2fa..b0efe51c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 lib
 node_modules
+package-lock.json
 test-results
 playwright-report
diff --git a/src/HelmetData.ts b/src/HelmetData.ts
index b8f57d16..3a020c88 100644
--- a/src/HelmetData.ts
+++ b/src/HelmetData.ts
@@ -14,7 +14,7 @@ export interface HelmetDataType {
 }
 
 interface HelmetDataContext {
-  helmet: HelmetServerState;
+  helmet: HelmetServerState | null;
 }
 
 export const isDocument = !!(
@@ -30,7 +30,7 @@ export default class HelmetData implements HelmetDataType {
 
   value = {
     setHelmet: (serverState: HelmetServerState | null) => {
-      this.context.helmet = serverState!;
+      this.context.helmet = serverState;
     },
     helmetInstances: {
       get: () => (this.canUseDOM ? instances : this.instances),
diff --git a/src/Provider.tsx b/src/Provider.tsx
index 9b929eaa..5161d7bd 100644
--- a/src/Provider.tsx
+++ b/src/Provider.tsx
@@ -11,7 +11,7 @@ export const Context = React.createContext(defaultValue);
 
 interface ProviderProps {
   context?: {
-    helmet?: HelmetServerState;
+    helmet?: HelmetServerState | null;
   };
 }