diff --git a/wagmi-project/packages/cli/src/plugins/foundry.ts b/wagmi-project/packages/cli/src/plugins/foundry.ts
index dab307a58f..eae6bf9838 100644
--- a/wagmi-project/packages/cli/src/plugins/foundry.ts
+++ b/wagmi-project/packages/cli/src/plugins/foundry.ts
@@ -179,7 +179,7 @@ export function foundry(config: FoundryConfig = {}): FoundryResult {
   return {
     async contracts() {
       if (clean)
-        execSync(`${forgeExecutable} clean --root ${project}`, {
+        spawnSync(forgeExecutable, ['clean', '--root', project], {
           encoding: 'utf-8',
           stdio: 'pipe',
         })