diff --git a/src/Mixin.js b/src/Mixin.js
index 1dc6334..4b4e730 100644
--- a/src/Mixin.js
+++ b/src/Mixin.js
@@ -16,7 +16,7 @@ var convertValidationsToObject = function (validations) {
       if (args.length > 1) {
         throw new Error('Formsy does not support multiple args on string validations. Use object format of validations instead.');
       }
-      validations[validateMethod] = args[0] || true;
+      validations[validateMethod] = args[0];
       return validations;
     }, {});
 
diff --git a/src/main.js b/src/main.js
index 6dd9f19..fa4d0f9 100644
--- a/src/main.js
+++ b/src/main.js
@@ -115,7 +115,7 @@ Formsy.Form = React.createClass({
       var component = this.inputs[name];
       var args = [{
         _isValid: !(name in errors),
-        _serverError: errors[name]
+        _validationError: errors[name]
       }];
       component.setState.apply(component, args);
     }.bind(this));