diff --git a/.changeset/clean-turtles-wonder.md b/.changeset/clean-turtles-wonder.md
new file mode 100644
index 0000000000..1b701d4562
--- /dev/null
+++ b/.changeset/clean-turtles-wonder.md
@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+Fix: Accessible name mismatch for AI Chat button
diff --git a/packages/gitbook/src/components/AIChat/AIChatButton.tsx b/packages/gitbook/src/components/AIChat/AIChatButton.tsx
index 4c7ef06a6d..cd2a7c9670 100644
--- a/packages/gitbook/src/components/AIChat/AIChatButton.tsx
+++ b/packages/gitbook/src/components/AIChat/AIChatButton.tsx
@@ -27,6 +27,7 @@ export function AIChatButton(props: {
             iconOnly={!showLabel || isMobile}
             size="medium"
             variant="header"
+            aria-label={tString(language, 'ai_chat_ask', assistant.label)}
             label={
                 <div className="flex items-center gap-2">
                     {t(language, 'ai_chat_ask', assistant.label)}