diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/crystalmathlabs/CrystalMathLabs.java b/runelite-client/src/main/java/net/runelite/client/plugins/crystalmathlabs/CrystalMathLabs.java
index 8157e317cc..528550827c 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/crystalmathlabs/CrystalMathLabs.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/crystalmathlabs/CrystalMathLabs.java
@@ -84,6 +84,7 @@ public class CrystalMathLabs extends Plugin
 			.build();
 
 		Request request = new Request.Builder()
+			.header("User-Agent", "RuneLite")
 			.url(httpUrl)
 			.build();