diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 960415745973..124a68092be7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8107,6 +8107,8 @@ in
     # PGO seems to speed up compilation by gcc by ~10%, see #445 discussion
     profiledCompiler = with stdenv; (!isDarwin && (isi686 || isx86_64));
 
+    enableLTO = !stdenv.isi686;
+
     libcCross = if stdenv.targetPlatform != stdenv.buildPlatform then libcCross else null;
     threadsCross = if stdenv.targetPlatform != stdenv.buildPlatform then threadsCross else null;