diff --git a/artiq-fast/default.nix b/artiq-fast/default.nix
index 93be3fc..4d6e45f 100644
--- a/artiq-fast/default.nix
+++ b/artiq-fast/default.nix
@@ -20,7 +20,7 @@ let
   mainPackages = rec {
     inherit (pythonDeps) asyncserial levenshtein pythonparser quamash pyqtgraph-qt5 misoc migen microscope jesd204b migen-axi lit outputcheck;
     binutils-or1k = callPackage ./pkgs/binutils.nix { platform = "or1k"; target = "or1k-linux"; };
-    binutils-arm = callPackage ./pkgs/binutils.nix { platform = "arm"; target = "armv7-unknown-linux-gnueabihf"; };
+    binutils-arm = callPackage ./pkgs/binutils.nix { platform = "arm"; target = "armv7-linux-gnueabihf"; };
     llvm-or1k = callPackage ./pkgs/llvm-or1k.nix {};
     rustc = callPackage ./pkgs/rust
       ((stdenv.lib.optionalAttrs (stdenv.cc.isGNU && stdenv.hostPlatform.isi686) {