diff --git a/srv/http_utils/response.hy b/srv/http_utils/response.hy
index 1d0d2ee..76a9086 100644
--- a/srv/http_utils/response.hy
+++ b/srv/http_utils/response.hy
@@ -1,4 +1,5 @@
-(import gzip [compress :as gzip compress :as zstd])
+(import isal.igzip [compress :as gzip])
+(import isal.isal_zlib [compress :as zstd])
 
 (import hyrule.collections [assoc])
 (require hyrule.control [branch])