diff --git a/web/src/components/form/ColourInput/useColourInput.ts b/web/src/components/form/ColourInput/useColourInput.ts
index ca9447a44..a4ff94ceb 100644
--- a/web/src/components/form/ColourInput/useColourInput.ts
+++ b/web/src/components/form/ColourInput/useColourInput.ts
@@ -1,3 +1,5 @@
+"use client";
+
 import Color from "colorjs.io";
 import { useEffect, useRef, useState } from "react";