diff --git a/src/containers/blocks.jsx b/src/containers/blocks.jsx
index 98a01db1bf1cf1819da808b4d3c2e9b08129bdef..6368341f9b6ead8b37e47d867c01bce11483ea52 100644
--- a/src/containers/blocks.jsx
+++ b/src/containers/blocks.jsx
@@ -454,6 +454,7 @@ class Blocks extends React.Component {
             .then(blocks => this.props.vm.shareBlocksToTarget(blocks, this.props.vm.editingTarget.id))
             .then(() => {
                 this.props.vm.refreshWorkspace();
+                this.updateToolbox(); // To show new variables/custom blocks
             });
     }
     render () {