diff --git a/.changeset/early-deers-beg.md b/.changeset/early-deers-beg.md
new file mode 100644
index 0000000000..2814273afa
--- /dev/null
+++ b/.changeset/early-deers-beg.md
@@ -0,0 +1,16 @@
+---
+'@backstage/plugin-scaffolder-backend-module-github': patch
+---
+
+Fixed bug resulting from missing required owner and repo arguments in `octokit getEnvironmentPublicKey in action `github:environment:create`.
+
+Adding environment secrets now works as expected.
+
+```diff
+  const publicKeyResponse = await client.rest.actions.getEnvironmentPublicKey({
+    repository_id: repository.data.id,
++     owner,
++     repo,
+      environment_name: name
+  });
+```
diff --git a/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.test.ts b/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.test.ts
index c4eae41029..139d8028eb 100644
--- a/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.test.ts
+++ b/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.test.ts
@@ -304,5 +304,16 @@ describe('github:environment:create', () => {
       key_id: 'keyid',
       encrypted_value: expect.any(String),
     });
+    expect(
+      mockOctokit.rest.actions.getEnvironmentPublicKey,
+    ).toHaveBeenCalledTimes(1);
+    expect(
+      mockOctokit.rest.actions.getEnvironmentPublicKey,
+    ).toHaveBeenCalledWith({
+      repository_id: 'repoid',
+      owner: 'owner',
+      repo: 'repository',
+      environment_name: 'envname',
+    });
   });
 });
diff --git a/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.ts b/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.ts
index 98e7cea1a9..d3e8d0e5d2 100644
--- a/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.ts
+++ b/plugins/scaffolder-backend-module-github/src/actions/githubEnvironment.ts
@@ -199,6 +199,8 @@ export function createGithubEnvironmentAction(options: {
         const publicKeyResponse =
           await client.rest.actions.getEnvironmentPublicKey({
             repository_id: repository.data.id,
+            owner: owner,
+            repo: repo,
             environment_name: name,
           });