diff --git a/doc/manual/release-notes.xml b/doc/manual/release-notes.xml
index 926cac086e..c9cab2eef3 100644
--- a/doc/manual/release-notes.xml
+++ b/doc/manual/release-notes.xml
@@ -57,8 +57,9 @@ are:</para>
   </listitem>
 
   <listitem>
-    <para>In order to be less verbose, stack traces no longer show
-    calls to builtin functions.</para>
+    <para>Stack traces are less verbose: they no longer show calls to
+    builtin functions and only show a single line for each derivation
+    on the call stack.</para>
   </listitem>
 
 </itemizedlist>
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 0585f5bbe0..30dd15ac0d 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -394,10 +394,8 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v)
             }
 
         } catch (Error & e) {
-            e.addPrefix(format("while evaluating the derivation attribute `%1%' at %2%:\n")
-                % key % *i->pos);
-            e.addPrefix(format("while instantiating the derivation named `%1%' at %2%:\n")
-                % drvName % posDrvName);
+            e.addPrefix(format("while evaluating the attribute `%1%' of the derivation `%2%' at %3%:\n")
+                % key % drvName % posDrvName);
             throw;
         }
     }