diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index 6cc6271eedbe..69a128382ff8 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -63,6 +63,8 @@ rec {
     unset SDKROOT
 
     stripAllFlags=" " # the Darwin "strip" command doesn't know "-s"
+  '' + lib.optionalString localSystem.isx86_64 ''
+    stripDebugFlags="-S" # the Darwin "strip" command does something odd with "-p"
   '';
 
   bootstrapTools = derivation ({