1 files changed, 2 insertions, 0 deletions
diff --git a/make/gl-impl-CustomJavaCode.java b/make/gl-impl-CustomJavaCode.java
index 6d5f55159..4e761c3bf 100644
--- a/make/gl-impl-CustomJavaCode.java
+++ b/make/gl-impl-CustomJavaCode.java
@@ -311,6 +311,7 @@ public java.nio.ByteBuffer glMapBuffer(int target, int access) {
     _res.order(ByteOrder.nativeOrder());
     arbVBOCache.put(key, _res);
   }
+  _res.position(0);
   return _res;
 }
 
@@ -334,6 +335,7 @@ public java.nio.ByteBuffer glMapBufferARB(int target, int access) {
     _res.order(ByteOrder.nativeOrder());
     arbVBOCache.put(key, _res);
   }
+  _res.position(0);
   return _res;
 }