diff --git a/panda/src/putil/mouseData.I b/panda/src/putil/mouseData.I
index c162dcbebf..51e9ac2efc 100644
--- a/panda/src/putil/mouseData.I
+++ b/panda/src/putil/mouseData.I
@@ -25,8 +25,8 @@
 INLINE MouseData::
 MouseData() {
   _in_window = false;
-  _xpos = 0.0;
-  _ypos = 0.0;
+  _xpos = 0;
+  _ypos = 0;
 }
 
 ////////////////////////////////////////////////////////////////////
diff --git a/panda/src/putil/mouseData.h b/panda/src/putil/mouseData.h
index abb398acf7..996be20e43 100644
--- a/panda/src/putil/mouseData.h
+++ b/panda/src/putil/mouseData.h
@@ -43,8 +43,8 @@ PUBLISHED:
 
 public:
   bool _in_window;
-  double _xpos;
-  double _ypos;
+  int _xpos;
+  int _ypos;
 };
 
 INLINE ostream &operator << (ostream &out, const MouseData &md);