diff --git a/pkgs/stdenv/adapters.nix b/pkgs/stdenv/adapters.nix
index e4f52924cf6..3e596c4ef0e 100644
--- a/pkgs/stdenv/adapters.nix
+++ b/pkgs/stdenv/adapters.nix
@@ -197,7 +197,7 @@ rec {
     { mkDerivation = args: stdenv.mkDerivation (args // extraAttrs); };
 
 
-  /* Return a modified stdenv that perfoms the build under $out/.build
+  /* Return a modified stdenv that performs the build under $out/.build
      instead of in $TMPDIR.  Thus, the sources are kept available.
      This is useful for things like debugging or generation of
      dynamic analysis reports. */