diff --git a/lib/expose.js b/lib/expose.js
index 01f2b5f4..8768efe9 100644
--- a/lib/expose.js
+++ b/lib/expose.js
@@ -117,25 +117,26 @@ function expose(definitions, methods, path, directory) {
         });
       }
 
-
       // add validation
       let validation = '';
+      let validators = [];
       if (secure.length > 0) {
-        validation = '';
         secure.forEach((property) => {
           let origin = property.type;
-          if (origin === 'path') {origin = 'req.params' }else {origin = 'this.data'}
-          validation = `
-          async validate() {
-            try {
-              ${origin}['${property.property}'] = await global.FieldValidator.validate('${property.value}','${property.parameter_type}',${origin}['${property.property}'], this.req, this.res)
-            } catch (error) {
-              console.log('validation error', error);
-              throw new Error(error.message);
-            }
-          }
-        `;
+          if (origin === 'path') { origin = 'req.params' } else { origin = 'this.data' };
+          validators.push(`${origin}['${property.property}'] = await global.FieldValidator.validate('${property.value}','${property.parameter_type}',${origin}['${property.property}'], this.req, this.res);`);
         });
+
+        validation = `
+        async validate() {
+          try {
+            ${validators.join('\n')}
+          } catch (error) {
+            console.log('validation error', error);
+            throw new Error(error.message);
+          }
+        }
+      `;
       }
 
       // compile the file