diff --git a/Dockerfile b/Dockerfile
index f1d0b6d..e78c7d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,6 +35,6 @@ ENV IMKS_PORT=50048
 EXPOSE 50048
 
 HEALTHCHECK --interval=15s --timeout=3s --start-period=10s --retries=3 \
-    CMD curl -sf http://localhost:3000/health || exit 1
+    CMD curl -sf 'http://localhost:50048/engine.io/?EIO=4&transport=polling' || exit 1
 
 ENTRYPOINT ["imks"]