diff --git a/src/core/operations/GenerateUUID.mjs b/src/core/operations/GenerateUUID.mjs
index 4b070d05..89a5e05c 100644
--- a/src/core/operations/GenerateUUID.mjs
+++ b/src/core/operations/GenerateUUID.mjs
@@ -31,6 +31,7 @@ class GenerateUUID extends Operation {
                 value: [
                     "v1", "v3", "v4", "v5", "v6", "v7",
                 ]
+                defaultIndex: 2,
             },
             {
                 name: "UUID namespace (valid for v3 and v5)",
diff --git a/tests/node/tests/operations.mjs b/tests/node/tests/operations.mjs
index ee4b1564..ec55b768 100644
--- a/tests/node/tests/operations.mjs
+++ b/tests/node/tests/operations.mjs
@@ -593,6 +593,14 @@ Password: 282760`;
         assert.strictEqual(result, expected);
     })),
 
+    it("Generate UUID using defaults", () => {
+        const uuid = chef.generateUUID();
+        assert.ok(uuid);
+
+        const analysis = chef.analyseUUID(uuid).toString();
+        assert.strictEqual(analysis, "UUID version: 4");
+    }),
+
     it("Gzip, Gunzip", () => {
         assert.strictEqual(chef.gunzip(chef.gzip("Down To The Wire")).toString(), "Down To The Wire");
     }),