diff --git a/packages/paperclip-runner/src/live/runnerd-codex-transport.test.ts b/packages/paperclip-runner/src/live/runnerd-codex-transport.test.ts
index 9a5a93d3542..87d5c4d59b4 100644
--- a/packages/paperclip-runner/src/live/runnerd-codex-transport.test.ts
+++ b/packages/paperclip-runner/src/live/runnerd-codex-transport.test.ts
@@ -96,6 +96,7 @@ it("passes the configured Codex API key only through the provider process enviro
       environment: {
         PATH: "/bin",
         OPENAI_API_KEY: "configured-provider-key",
+        CODEX_API_KEY: "configured-automation-key",
         PAPERCLIP_API_KEY: "must-not-reach-provider",
       },
     },
@@ -116,6 +117,7 @@ it("passes the configured Codex API key only through the provider process enviro
     HOME: "/isolated/codex-home",
     CODEX_HOME: "/isolated/codex-home",
     OPENAI_API_KEY: "configured-provider-key",
+    CODEX_API_KEY: "configured-automation-key",
   });
   expect(environment.PAPERCLIP_API_KEY).toBeUndefined();
 });
diff --git a/packages/paperclip-runner/src/live/runnerd-codex-transport.ts b/packages/paperclip-runner/src/live/runnerd-codex-transport.ts
index c7f244270a7..a71ccbb5c91 100644
--- a/packages/paperclip-runner/src/live/runnerd-codex-transport.ts
+++ b/packages/paperclip-runner/src/live/runnerd-codex-transport.ts
@@ -851,8 +851,10 @@ export function createCapabilityRunnerdProviderEnvironment(input: {
     HOME: input.codexHome,
     CODEX_HOME: input.codexHome,
   });
-  const apiKey = input.options.environment?.OPENAI_API_KEY;
-  if (apiKey?.trim()) environment.OPENAI_API_KEY = apiKey;
+  for (const key of ["OPENAI_API_KEY", "CODEX_API_KEY"] as const) {
+    const apiKey = input.options.environment?.[key];
+    if (apiKey?.trim()) environment[key] = apiKey;
+  }
   return environment;
 }