diff --git a/dockerfile b/dockerfile
index a82ddd7..fb8871b 100644
--- a/dockerfile
+++ b/dockerfile
@@ -29,6 +29,6 @@ COPY --from=build /out/app /
 
 # if needed
 EXPOSE 8080
-ENV VALKEY_ADDR redis:6379
+ENV VALKEY_ADDR=redis:6379
 
 ENTRYPOINT [ "/app" ]