diff --git a/pkgs/development/libraries/v8/default.nix b/pkgs/development/libraries/v8/default.nix
index e367d8242dec..ff0a599c3e92 100644
--- a/pkgs/development/libraries/v8/default.nix
+++ b/pkgs/development/libraries/v8/default.nix
@@ -73,6 +73,11 @@ stdenv.mkDerivation rec {
     chmod u+w -R .
   '';
 
+  postPatch = stdenv.lib.optionalString stdenv.isAarch64 ''
+    substituteInPlace build/toolchain/linux/BUILD.gn \
+      --replace 'toolprefix = "aarch64-linux-gnu-"' 'toolprefix = ""'
+  '';
+
   gnFlags = [
     "use_custom_libcxx=false"
     "is_clang=${if stdenv.cc.isClang then "true" else "false"}"