diff --git a/panda/src/gobj/config_gobj.cxx b/panda/src/gobj/config_gobj.cxx
index da60a9dfde..15fdd344d6 100644
--- a/panda/src/gobj/config_gobj.cxx
+++ b/panda/src/gobj/config_gobj.cxx
@@ -17,6 +17,7 @@
 #include "config_util.h"
 #include "config_gobj.h"
 #include "geom.h"
+#include "geomCacheEntry.h"
 #include "geomMunger.h"
 #include "geomPrimitive.h"
 #include "geomTriangles.h"
@@ -465,6 +466,7 @@ ConfigureFn(config_gobj) {
   AnimateVerticesRequest::init_type();
   BufferContext::init_type();
   Geom::init_type();
+  GeomCacheEntry::init_type();
   GeomPipelineReader::init_type();
   GeomContext::init_type();
   GeomLines::init_type();
diff --git a/panda/src/gobj/geom.h b/panda/src/gobj/geom.h
index eb9b049dbd..0f0fa7425d 100644
--- a/panda/src/gobj/geom.h
+++ b/panda/src/gobj/geom.h
@@ -269,7 +269,9 @@ public:
       return _type_handle;
     }
     static void init_type() {
-      register_type(_type_handle, "Geom::CacheEntry");
+      GeomCacheEntry::init_type();
+      register_type(_type_handle, "Geom::CacheEntry",
+                    GeomCacheEntry::get_class_type());
     }
     
   private:
diff --git a/panda/src/gobj/geomCacheEntry.cxx b/panda/src/gobj/geomCacheEntry.cxx
index 1560880806..173388d9b4 100644
--- a/panda/src/gobj/geomCacheEntry.cxx
+++ b/panda/src/gobj/geomCacheEntry.cxx
@@ -18,6 +18,8 @@
 #include "config_gobj.h"
 #include "clockObject.h"
 
+TypeHandle GeomCacheEntry::_type_handle;
+
 ////////////////////////////////////////////////////////////////////
 //     Function: GeomCacheEntry::Destructor
 //       Access: Public, Virtual
diff --git a/panda/src/gobj/geomCacheEntry.h b/panda/src/gobj/geomCacheEntry.h
index a60a0617b1..b4d742bf3b 100644
--- a/panda/src/gobj/geomCacheEntry.h
+++ b/panda/src/gobj/geomCacheEntry.h
@@ -52,6 +52,19 @@ private:
 private:  
   GeomCacheEntry *_prev, *_next;
 
+public:
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    ReferenceCount::init_type();
+    register_type(_type_handle, "GeomCacheEntry",
+                  ReferenceCount::get_class_type());
+  }
+  
+private:
+  static TypeHandle _type_handle;
+
   friend class GeomCacheManager;
 };
 
diff --git a/panda/src/pgraph/cullResult.h b/panda/src/pgraph/cullResult.h
index dae9c5c4b4..12922df5c5 100644
--- a/panda/src/pgraph/cullResult.h
+++ b/panda/src/pgraph/cullResult.h
@@ -86,6 +86,7 @@ public:
     return _type_handle;
   }
   static void init_type() {
+    ReferenceCount::init_type();
     register_type(_type_handle, "CullResult",
                   ReferenceCount::get_class_type());
   }
diff --git a/panda/src/pgraph/cullableObject.h b/panda/src/pgraph/cullableObject.h
index b3e950788c..d828bb8c54 100644
--- a/panda/src/pgraph/cullableObject.h
+++ b/panda/src/pgraph/cullableObject.h
@@ -156,6 +156,7 @@ public:
   }
   static void init_type() {
 #ifdef DO_MEMORY_USAGE
+    ReferenceCount::init_type();
     register_type(_type_handle, "CullableObject",
                   ReferenceCount::get_class_type());
 #else
diff --git a/panda/src/putil/clockObject.h b/panda/src/putil/clockObject.h
index 185b424270..b59968919e 100644
--- a/panda/src/putil/clockObject.h
+++ b/panda/src/putil/clockObject.h
@@ -171,6 +171,7 @@ public:
     return _type_handle;
   }
   static void init_type() {
+    ReferenceCount::init_type();
     register_type(_type_handle, "ClockObject",
                   ReferenceCount::get_class_type());
   }