diff --git a/rss/Dockerfile b/rss/Dockerfile
index abac98e6689209672513cfc4a73ab126f6558ffe..0a569e82be3947e98240f114f3f62c8c27883b75 100644
--- a/rss/Dockerfile
+++ b/rss/Dockerfile
@@ -19,4 +19,4 @@ ENTRYPOINT [ "entrypoint" ]
 WORKDIR /var/lib/transmission-rss
 VOLUME /var/lib/transmission-rss
 CMD [ "/usr/local/bundle/bin/transmission-rss" ]
-HEALTHCHECK CMD pgrep ruby || exit 1
+HEALTHCHECK CMD pgrep --full ruby || exit 1