diff --git a/corepkgs/derivation.nix b/corepkgs/derivation.nix
index 0e16ad6fa3..d5044a83b1 100644
--- a/corepkgs/derivation.nix
+++ b/corepkgs/derivation.nix
@@ -7,13 +7,13 @@ let
   attrValues = attrs:
     map (name: builtins.getAttr name attrs) (builtins.attrNames attrs);
     
-  outputToAttrListElement = output:
-    { name = output;
+  outputToAttrListElement = outputName:
+    { name = outputName;
       value = attrs // {
-        outPath = builtins.getAttr (output + "Path") strict;
+        outPath = builtins.getAttr outputName strict;
         drvPath = strict.drvPath;
         type = "derivation";
-        currentOutput = output;
+        currentOutput = outputName;
       } // outputsAttrs // { all = allList; };
     };
     
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 02c444cd6b..21c9fb351d 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -451,9 +451,7 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
     state.mkAttrs(v, 1 + drv.outputs.size());
     mkString(*state.allocAttr(v, state.sDrvPath), drvPath, singleton<PathSet>("=" + drvPath));
     foreach (DerivationOutputs::iterator, i, drv.outputs) {
-        /* The output path of an output X is ‘<X>Path’,
-           e.g. ‘outPath’. */
-        mkString(*state.allocAttr(v, state.symbols.create(i->first + "Path")),
+        mkString(*state.allocAttr(v, state.symbols.create(i->first)),
             i->second.path, singleton<PathSet>("!" + i->first + "!" + drvPath));
     }
     v.attrs->sort();