diff --git a/validator.js b/validator.js
index 8dd43cc1b..e71d1fb1e 100644
--- a/validator.js
+++ b/validator.js
@@ -26,6 +26,8 @@
         module.exports = definition();
     } else if (typeof define === 'function' && typeof define.amd === 'object') {
         define(definition);
+    } else if (typeof define === 'function' && typeof define.petal === 'object') {
+        define(name, [], definition);
     } else {
         this[name] = definition();
     }
diff --git a/validator.min.js b/validator.min.js
index 1eb9ca9f5..8324ee4b5 100644
--- a/validator.min.js
+++ b/validator.min.js
@@ -20,4 +20,5 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
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