diff --git a/src/Month.jsx b/src/Month.jsx
index 9e3395675..8050712d8 100644
--- a/src/Month.jsx
+++ b/src/Month.jsx
@@ -317,7 +317,8 @@ let MonthView = React.createClass({
     })
   },
 
-  _dateClick(date){
+  _dateClick(date, e){
+    e.preventDefault();
     this.clearSelection()
     notify(this.props.onNavigate, [navigate.DATE, date])
   },
diff --git a/src/TimeGrid.jsx b/src/TimeGrid.jsx
index 870e4af70..159db82b6 100644
--- a/src/TimeGrid.jsx
+++ b/src/TimeGrid.jsx
@@ -189,7 +189,8 @@ let TimeGrid = React.createClass({
     )
   },
 
-  _headerClick(date){
+  _headerClick(date, e){
+    e.preventDefault()
     notify(this.props.onNavigate, [navigate.DATE, date])
   },