1 files changed, 1 insertions, 1 deletions

diff --git a/src/Combobox.jsx b/src/Combobox.jsx
index 36b61cc..477c5ee 100644
--- a/src/Combobox.jsx
+++ b/src/Combobox.jsx
@@ -170,7 +170,7 @@ const Combobox = React.createClass({
   },
 
   isAM() {
-    const { value } = this.props;
+    const value = (this.props.value || this.props.defaultOpenValue);
     return value.hour() >= 0 && value.hour() < 12;
   },