diff --git a/pkgs/tools/backup/wal-g/default.nix b/pkgs/tools/backup/wal-g/default.nix
index f3c415f3cd0f..de7f678fde8a 100644
--- a/pkgs/tools/backup/wal-g/default.nix
+++ b/pkgs/tools/backup/wal-g/default.nix
@@ -17,7 +17,10 @@ buildGoModule rec {
 
   subPackages = [ "main/pg" ];
 
-  buildFlagsArray = [ "-ldflags=-s -w -X github.com/wal-g/wal-g/cmd/pg.WalgVersion=${version} -X github.com/wal-g/wal-g/cmd/pg.GitRevision=${src.rev}" ];
+  buildFlagsArray = [
+    "-tags=brotli"
+    "-ldflags=-s -w -X github.com/wal-g/wal-g/cmd/pg.WalgVersion=${version} -X github.com/wal-g/wal-g/cmd/pg.GitRevision=${src.rev}"
+  ];
 
   postInstall = ''
     mv $out/bin/pg $out/bin/wal-g