diff --git a/server/front/src/index.ts b/server/front/src/index.ts
index 27fddd533c..3a36e6a2a8 100644
--- a/server/front/src/index.ts
+++ b/server/front/src/index.ts
@@ -240,6 +240,7 @@ export function start (
     collaboratorApiUrl: string
     brandingUrl?: string
     previewConfig: string
+    pushPublicKey?: string
   },
   port: number,
   extraConfig?: Record<string, string | undefined>
@@ -279,6 +280,7 @@ export function start (
       COLLABORATOR_API_URL: config.collaboratorApiUrl,
       BRANDING_URL: config.brandingUrl,
       PREVIEW_CONFIG: config.previewConfig,
+      PUSH_PUBLIC_KEY: config.pushPublicKey,
       ...(extraConfig ?? {})
     }
     res.set('Cache-Control', cacheControlNoCache)
diff --git a/server/front/src/starter.ts b/server/front/src/starter.ts
index d67358350c..f9a8fd5b1a 100644
--- a/server/front/src/starter.ts
+++ b/server/front/src/starter.ts
@@ -106,6 +106,8 @@ export function startFront (ctx: MeasureContext, extraConfig?: Record<string, st
     previewConfig = `*|${uploadUrl}/:workspace?file=:blobId.:format&size=:size`
   }
 
+  const pushPublicKey = process.env.PUSH_PUBLIC_KEY
+
   const brandingUrl = process.env.BRANDING_URL
 
   setMetadata(serverToken.metadata.Secret, serverSecret)
@@ -123,7 +125,8 @@ export function startFront (ctx: MeasureContext, extraConfig?: Record<string, st
     collaboratorUrl,
     collaboratorApiUrl,
     brandingUrl,
-    previewConfig
+    previewConfig,
+    pushPublicKey
   }
   console.log('Starting Front service with', config)
   const shutdown = start(ctx, config, SERVER_PORT, extraConfig)