diff --git a/README.md b/README.md
index 1a5353d..19c4499 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ services:
       - "API_PASSWORD=secret"
 
   prom-upsc:
-    image: jzck/upsc_exporter
+    image: jzck/upsc-exporter
     restart: unless-stopped
     depends_on:
       - nut-upsd