diff --git a/packages/plugins/workspace-clone/src/__tests__/index.test.ts b/packages/plugins/workspace-clone/src/__tests__/index.test.ts
index 956b137d9..06f339c70 100644
--- a/packages/plugins/workspace-clone/src/__tests__/index.test.ts
+++ b/packages/plugins/workspace-clone/src/__tests__/index.test.ts
@@ -644,7 +644,7 @@ describe("workspace.postCreate()", () => {
 
     const project = makeProject({ postCreate: ["npm install"] });
 
-    mockGetShell.mockReturnValue({
+    mockGetShell.mockReturnValueOnce({
       cmd: "pwsh",
       args: (c: string) => ["-NoLogo", "-NonInteractive", "-Command", c],
     });
diff --git a/packages/plugins/workspace-worktree/src/__tests__/index.test.ts b/packages/plugins/workspace-worktree/src/__tests__/index.test.ts
index 42b81eaa0..fd25fb11b 100644
--- a/packages/plugins/workspace-worktree/src/__tests__/index.test.ts
+++ b/packages/plugins/workspace-worktree/src/__tests__/index.test.ts
@@ -885,7 +885,7 @@ describe("workspace.postCreate()", () => {
     const ws = create();
     const project = makeProject({ postCreate: ["npm install"] });
 
-    mockGetShell.mockReturnValue({
+    mockGetShell.mockReturnValueOnce({
       cmd: "pwsh",
       args: (c: string) => ["-NoLogo", "-NonInteractive", "-Command", c],
     });