diff --git a/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx b/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
index 4aafe851e6..7b576e1588 100644
--- a/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
+++ b/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
@@ -286,6 +286,10 @@ const ComponentPicker = ({
                 <div
                   className="w-full"
                   role="presentation"
+                  onMouseDown={(event) => {
+                    event.preventDefault()
+                    event.stopPropagation()
+                  }}
                 >
                   <SegmentedControl
                     size="small"