diff --git a/core/src/processing/opengl/PShapeOpenGL.java b/core/src/processing/opengl/PShapeOpenGL.java
index 1f4e8be6f..c471fe49d 100644
--- a/core/src/processing/opengl/PShapeOpenGL.java
+++ b/core/src/processing/opengl/PShapeOpenGL.java
@@ -2997,7 +2997,9 @@ public class PShapeOpenGL extends PShape {
             tessellateSphere();
           }
         } else if (family == PATH) {
-          inGeo.clear();
+          // TODO workaround for vertices being wiped out,
+          //      but need to identify the real problem here
+          if (vertices != null) inGeo.clear();
           tessellatePath();
         }
 
diff --git a/core/todo.txt b/core/todo.txt
index f9c9cfb6c..d944a30b4 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -3,6 +3,11 @@ X support extensions for directories with listFiles/listPaths
 X   otherwise asking for .jpg will return root folders (unless 'only files' specified)
 X   but because macOS actually puts extensions on folders (.app, etc), support it
 X fix for disableStyle() with 2D shapes in P3D
+X added workaround in PShapeOpenGL to get access to vertex data
+_   still need to find the root cause
+_   also need to check for other reports about this
+
+_ made DrawListener public in PSurfaceJOGL (probably change that back)
 
 
 _ put opengl libs for core into platform-specific subfolders?