diff --git a/README.md b/README.md
index 095a282..a83ca14 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,9 @@ options = {
   // Keep the fields of multiple selected same-type blocks with the same value
   multiFieldUpdate: true,
 
+  // Auto focus the workspace when the mouse enters.
+  workspaceAutoFocus: true,
+
   // Use custom icon for the multi select controls.
   multiselectIcon: {
     hideIcon: false,
diff --git a/src/multiselect.js b/src/multiselect.js
index f73818f..8235029 100644
--- a/src/multiselect.js
+++ b/src/multiselect.js
@@ -52,7 +52,8 @@ export class Multiselect {
     this.onFocusOutWrapper_ = Blockly.browserEvents.conditionalBind(
         injectionDiv, 'focusout', this, this.onBlur_);
     injectionDiv.addEventListener('mouseenter', () => {
-      if (document.activeElement === this.workspace_.svgGroup_.parentElement ||
+      if (options.workspaceAutoFocus === false ||
+          document.activeElement === this.workspace_.svgGroup_.parentElement ||
           document.activeElement.nodeName.toLowerCase() === 'input' ||
           document.activeElement.nodeName.toLowerCase() === 'textarea') {
         return;