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-rw-r--r--pkgs/development/compilers/julia/git.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/compilers/julia/git.nix b/pkgs/development/compilers/julia/git.nix
index 2f4ce2f4b9e..49c26592f2e 100644
--- a/pkgs/development/compilers/julia/git.nix
+++ b/pkgs/development/compilers/julia/git.nix
@@ -86,7 +86,7 @@ stdenv.mkDerivation rec {
   makeFlags =
     let
       arch = head (splitString "-" stdenv.system);
-      march = { "x86_64" = "x86-64"; "i686" = "i686"; }."${arch}"
+      march = { "x86_64" = "x86-64"; "i686" = "pentium4"; }."${arch}"
               or (throw "unsupported architecture: ${arch}");
       # Julia requires Pentium 4 (SSE2) or better
       cpuTarget = { "x86_64" = "x86-64"; "i686" = "pentium4"; }."${arch}"