diff --git a/panda/src/tinydisplay/tinyGraphicsBuffer.cxx b/panda/src/tinydisplay/tinyGraphicsBuffer.cxx
index ea8e8241a6..47c0327f1b 100644
--- a/panda/src/tinydisplay/tinyGraphicsBuffer.cxx
+++ b/panda/src/tinydisplay/tinyGraphicsBuffer.cxx
@@ -89,6 +89,15 @@ end_frame(FrameMode mode, Thread *current_thread) {
   }
 }
 
+/**
+ *
+ */
+void TinyGraphicsBuffer::
+set_size(int x, int y) {
+  GraphicsBuffer::set_size(x, y);
+  create_frame_buffer();
+}
+
 /**
  * Closes the buffer right now.  Called from the buffer thread.
  */
diff --git a/panda/src/tinydisplay/tinyGraphicsBuffer.h b/panda/src/tinydisplay/tinyGraphicsBuffer.h
index 79c6e8c5e5..e1fe665959 100644
--- a/panda/src/tinydisplay/tinyGraphicsBuffer.h
+++ b/panda/src/tinydisplay/tinyGraphicsBuffer.h
@@ -35,6 +35,8 @@ public:
   virtual bool begin_frame(FrameMode mode, Thread *current_thread);
   virtual void end_frame(FrameMode mode, Thread *current_thread);
 
+  virtual void set_size(int x, int y);
+
   INLINE ZBuffer *get_frame_buffer();
 
 protected: