diff --git a/src/daemon/systemd.test.ts b/src/daemon/systemd.test.ts
index 8d95310d470..3dab35c9dda 100644
--- a/src/daemon/systemd.test.ts
+++ b/src/daemon/systemd.test.ts
@@ -9,7 +9,7 @@ vi.mock("node:child_process", async () => {
   return mockNodeBuiltinModule(
     () => vi.importActual<typeof import("node:child_process")>("node:child_process"),
     {
-      execFile: execFileMock,
+      execFile: execFileMock as unknown as typeof import("node:child_process").execFile,
     },
   );
 });
diff --git a/src/gateway/server-methods/config.test.ts b/src/gateway/server-methods/config.test.ts
index 925dd08e800..823e03b852d 100644
--- a/src/gateway/server-methods/config.test.ts
+++ b/src/gateway/server-methods/config.test.ts
@@ -8,7 +8,7 @@ vi.mock("node:child_process", async () => {
   return mockNodeBuiltinModule(
     () => vi.importActual<typeof import("node:child_process")>("node:child_process"),
     {
-      execFile: vi.fn(),
+      execFile: vi.fn() as unknown as typeof import("node:child_process").execFile,
     },
   );
 });
diff --git a/src/infra/machine-name.test.ts b/src/infra/machine-name.test.ts
index db6ac098fa9..adc4698facd 100644
--- a/src/infra/machine-name.test.ts
+++ b/src/infra/machine-name.test.ts
@@ -9,7 +9,7 @@ vi.mock("node:child_process", async () => {
   return mockNodeBuiltinModule(
     () => vi.importActual<typeof import("node:child_process")>("node:child_process"),
     {
-      execFile: (...args: unknown[]) => execFileMock(...args),
+      execFile: execFileMock as unknown as typeof import("node:child_process").execFile,
     },
   );
 });