diff --git a/data/dynos_col_load.cpp b/data/dynos_col_load.cpp
index 62b83e2d8..720e5e9a0 100644
--- a/data/dynos_col_load.cpp
+++ b/data/dynos_col_load.cpp
@@ -26,7 +26,10 @@ DataNode<Collision>* DynOS_Col_LoadFromBinary(const SysPath &aPackFolder, const
     SysPath _Filename = fstring("%s/%s.col", aPackFolder.begin(), aCollisionName);
     FILE *_File = fopen(_Filename.c_str(), "rb");
     if (_File) {
-        collisionNode = LoadCollisionData(_File);
+        u8 type = ReadBytes<u8>(_File);
+        if (type == DATA_TYPE_COLLISION) {
+            collisionNode = LoadCollisionData(_File);
+        }
         fclose(_File);
     }
 
diff --git a/data/dynos_col_write.cpp b/data/dynos_col_write.cpp
index 660411433..e18b5026c 100644
--- a/data/dynos_col_write.cpp
+++ b/data/dynos_col_write.cpp
@@ -8,6 +8,7 @@ static void WriteCollisionData(FILE* aFile, GfxData* aGfxData, DataNode<Collisio
     if (!aNode->mData) return;
 
     // Name
+    WriteBytes<u8>(aFile, DATA_TYPE_COLLISION);
     aNode->mName.Write(aFile);
 
     // Data
diff --git a/data/dynos_gfx_write.cpp b/data/dynos_gfx_write.cpp
index 07ddc2531..6b341a10e 100644
--- a/data/dynos_gfx_write.cpp
+++ b/data/dynos_gfx_write.cpp
@@ -313,6 +313,10 @@ void DynOS_Gfx_Free(GfxData* aGfxData) {
             Delete(_Node->mData);
             Delete(_Node);
         }
+        for (auto& _Node : aGfxData->mCollisions) {
+            Delete(_Node->mData);
+            Delete(_Node);
+        }
         Delete(aGfxData);
     }
 }
diff --git a/docs/lua/examples/big-paddle/actors/big_paddle_collision.col b/docs/lua/examples/big-paddle/actors/big_paddle_collision.col
index 4a76fd329..13462b642 100644
Binary files a/docs/lua/examples/big-paddle/actors/big_paddle_collision.col and b/docs/lua/examples/big-paddle/actors/big_paddle_collision.col differ