diff --git a/src/components/editor/SqlEditor.tsx b/src/components/editor/SqlEditor.tsx
index a7893c0..9cc61f6 100644
--- a/src/components/editor/SqlEditor.tsx
+++ b/src/components/editor/SqlEditor.tsx
@@ -81,7 +81,11 @@ export function SqlEditor({ value, onChange, onExecute, onFormat, schema }: Prop
       onChange={handleChange}
       extensions={extensions}
       theme="dark"
-      className="h-full text-sm"
+      // height="100%" propagates down to .cm-editor so the inner .cm-scroller
+      // can render a vertical scrollbar; without it, long queries overflow the
+      // flex container and the editor cannot be scrolled.
+      height="100%"
+      className="h-full text-sm [&_.cm-editor]:h-full"
       basicSetup={{
         lineNumbers: true,
         foldGutter: true,