diff --git a/src/containers/blocks.jsx b/src/containers/blocks.jsx
index c982bfeccfed36055895a0a1dd3e117066734176..8726aa2c734119684f1c4d1887f8cbd731d3b250 100644
--- a/src/containers/blocks.jsx
+++ b/src/containers/blocks.jsx
@@ -455,6 +455,7 @@ 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 () {