diff --git a/src/client/metadataApiDeploy.ts b/src/client/metadataApiDeploy.ts
index f7576bd37..1e2bbb2bf 100644
--- a/src/client/metadataApiDeploy.ts
+++ b/src/client/metadataApiDeploy.ts
@@ -120,7 +120,7 @@ export class MetadataApiDeploy extends MetadataTransfer<
     this.isRestDeploy = !!options.apiOptions?.rest;
     this.registry = options.registry ?? new RegistryAccess();
     if (this.mdapiTempDir) {
-      this.mdapiTempDir = join(this.mdapiTempDir, `${new Date().toISOString()}_deploy`);
+      this.mdapiTempDir = join(this.mdapiTempDir, `${new Date().toISOString().replace(/[<>:"\\|?*]/g, '_')}_deploy`);
     }
   }
 
diff --git a/src/client/metadataApiRetrieve.ts b/src/client/metadataApiRetrieve.ts
index a08cee784..554395edc 100644
--- a/src/client/metadataApiRetrieve.ts
+++ b/src/client/metadataApiRetrieve.ts
@@ -140,7 +140,7 @@ export class MetadataApiRetrieve extends MetadataTransfer<
     super(options);
     this.options = Object.assign({}, MetadataApiRetrieve.DEFAULT_OPTIONS, options);
     if (this.mdapiTempDir) {
-      this.mdapiTempDir = join(this.mdapiTempDir, `${new Date().toISOString()}_retrieve`);
+      this.mdapiTempDir = join(this.mdapiTempDir, `${new Date().toISOString().replace(/[<>:"\\|?*]/g, '_')}_retrieve`);
     }
   }