diff --git a/core/css.ts b/core/css.ts
index 07e9c98a4..9940c9fad 100644
--- a/core/css.ts
+++ b/core/css.ts
@@ -206,6 +206,9 @@ let content = `
 .blocklyDragging {
   cursor: grabbing;
   cursor: -webkit-grabbing;
+  /* Drag surface disables events to not block the toolbox, so we have to
+   * reenable them here for the cursor values to work. */
+  pointer-events: auto;
 }
 
   /* Changes cursor on mouse down. Not effective in Firefox because of