diff --git a/imgui.cpp b/imgui.cpp
index fc68eed..70c9488 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -2380,7 +2380,7 @@
 
         // Setup draw data
         g.RenderDrawData.Valid = true;
-        g.RenderDrawData.CmdLists = &g.RenderDrawLists[0][0];
+        g.RenderDrawData.CmdLists = (g.RenderDrawLists[0].Size > 0) ? &g.RenderDrawLists[0][0] : NULL;
         g.RenderDrawData.CmdListsCount = g.RenderDrawLists[0].Size;
         g.RenderDrawData.TotalVtxCount = g.IO.MetricsRenderVertices;
         g.RenderDrawData.TotalIdxCount = g.IO.MetricsRenderIndices;