diff --git a/packages/server/src/api/index.js b/packages/server/src/api/index.js
index aeceb65039..ef8deb36cc 100644
--- a/packages/server/src/api/index.js
+++ b/packages/server/src/api/index.js
@@ -13,10 +13,10 @@ router
     compress({
       threshold: 2048,
       gzip: {
-        flush: zlib.Z_SYNC_FLUSH,
+        flush: zlib.constants.Z_SYNC_FLUSH,
       },
       deflate: {
-        flush: zlib.Z_SYNC_FLUSH,
+        flush: zlib.constants.Z_SYNC_FLUSH,
       },
       br: false,
     })
diff --git a/packages/worker/src/api/index.js b/packages/worker/src/api/index.js
index 8b77669c95..0568d79a68 100644
--- a/packages/worker/src/api/index.js
+++ b/packages/worker/src/api/index.js
@@ -10,10 +10,10 @@ router
     compress({
       threshold: 2048,
       gzip: {
-        flush: zlib.Z_SYNC_FLUSH,
+        flush: zlib.constants.Z_SYNC_FLUSH,
       },
       deflate: {
-        flush: zlib.Z_SYNC_FLUSH,
+        flush: zlib.constants.Z_SYNC_FLUSH,
       },
       br: false,
     })