diff --git a/pkgs/development/libraries/tbb/2020_3.nix b/pkgs/development/libraries/tbb/2020_3.nix
index 55bb9849d919..aa526591eb9e 100644
--- a/pkgs/development/libraries/tbb/2020_3.nix
+++ b/pkgs/development/libraries/tbb/2020_3.nix
@@ -57,6 +57,7 @@ stdenv.mkDerivation rec {
   ] ++ (lib.optional (stdenv.buildPlatform != stdenv.hostPlatform)
     (if stdenv.hostPlatform.isAarch64 then "arch=arm64"
     else if stdenv.hostPlatform.isx86_64 then "arch=intel64"
+    else if stdenv.hostPlatform.isi686 then "arch=ia32"
     else throw "Unsupported cross architecture"));
 
   enableParallelBuilding = true;