diff --git a/panda/src/event/eventParameter.I b/panda/src/event/eventParameter.I
index a97df05e9b..2d833e8de4 100644
--- a/panda/src/event/eventParameter.I
+++ b/panda/src/event/eventParameter.I
@@ -213,6 +213,24 @@ operator << (ostream &out, const EventParameter &param) {
 }
 
 
+////////////////////////////////////////////////////////////////////
+//     Function: EventStoreValueBase::Constructor
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE EventStoreValueBase::
+EventStoreValueBase() {
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: EventStoreValueBase::Destructor
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE EventStoreValueBase::
+~EventStoreValueBase() {
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: EventStoreValue::Default Constructor
 //       Access: Private
diff --git a/panda/src/event/eventParameter.h b/panda/src/event/eventParameter.h
index 37b527cdd6..f17a41e104 100644
--- a/panda/src/event/eventParameter.h
+++ b/panda/src/event/eventParameter.h
@@ -81,6 +81,8 @@ INLINE ostream &operator << (ostream &out, const EventParameter &param);
 ////////////////////////////////////////////////////////////////////
 class EXPCL_PANDA EventStoreValueBase : public TypedWritableReferenceCount {
 public:
+  INLINE EventStoreValueBase();
+  INLINE ~EventStoreValueBase();
   virtual void output(ostream &out) const=0;
 
 public: