diff --git a/src/Form.js b/src/Form.js
index 5ad0090..71026db 100644
--- a/src/Form.js
+++ b/src/Form.js
@@ -21,6 +21,7 @@ export class Form extends React.Component{
     this.props.onFocus && this.props.onFocus(event, inputHandle);
   }
   handleFieldChange(field_ref, value){
+    this.values = {...this.values}
     this.values[field_ref] = value;
     this.props.onChange && this.props.onChange(this.values);
   }
diff --git a/src/fields/TimePickerField.ios.js b/src/fields/TimePickerField.ios.js
index e26b5c4..94ce0b5 100644
--- a/src/fields/TimePickerField.ios.js
+++ b/src/fields/TimePickerField.ios.js
@@ -18,6 +18,7 @@ export class TimePickerField extends React.Component{
     return(<DatePickerComponent
       {...this.props}
       mode="time"
+      ref='datePickerComponent'
       labelStyle={[formStyles.fieldText, this.props.labelStyle]}
       valueStyle = {[formStyles.fieldValue,this.props.valueStyle]}
       valueContainerStyle = {[formStyles.alignRight,