diff --git a/types/koa-pino-logger/index.d.ts b/types/koa-pino-logger/index.d.ts
index 0994e7584a..24f59b8925 100644
--- a/types/koa-pino-logger/index.d.ts
+++ b/types/koa-pino-logger/index.d.ts
@@ -26,3 +26,9 @@ declare namespace logger {
         stream?: stream.Writable | stream.Duplex | stream.Transform;
     }
 }
+
+declare module 'koa' {
+    interface Context {
+        log: Logger;
+    }
+}
diff --git a/types/koa-pino-logger/koa-pino-logger-tests.ts b/types/koa-pino-logger/koa-pino-logger-tests.ts
index bec6f887d2..5315ee5baa 100644
--- a/types/koa-pino-logger/koa-pino-logger-tests.ts
+++ b/types/koa-pino-logger/koa-pino-logger-tests.ts
@@ -3,3 +3,8 @@ import logger = require('koa-pino-logger');
 
 const app = new koa();
 app.use(logger());
+
+app.use((ctx) => {
+  ctx.log.info('something else');
+  ctx.body = 'hello world';
+});