diff --git a/tests/function/tough.stdout b/tests/function/tough.stdout
index 22adc342e18d73866c9ba47f8ec0619cfc9abca4..21a31a0be5b4cbe395e3179bbfc9398e6391f69a 100644
--- a/tests/function/tough.stdout
+++ b/tests/function/tough.stdout
@@ -1,10 +1,10 @@
 "Hello"
 "Hello"
 badCase
-CallStack:
+CallStack (from ImplicitParams):
   error, called at tough.hs:39:14 in main:Main
 badCase
-CallStack:
+CallStack (from ImplicitParams):
   error, called at tough.hs:39:14 in main:Main
 "Bark"
 "Hello"
diff --git a/tests/function2/tough2.stdout b/tests/function2/tough2.stdout
index 690f386fae78d6b1d170499ec0db57d18dd2f7e3..66bb3f8651ac4c6aeb96215a0179868488ec615a 100644
--- a/tests/function2/tough2.stdout
+++ b/tests/function2/tough2.stdout
@@ -1,10 +1,10 @@
 "Hello"
 "Hello"
 badCase
-CallStack:
+CallStack (from ImplicitParams):
   error, called at subdir/tough2.lhs:40:14 in main:Main
 badCase
-CallStack:
+CallStack (from ImplicitParams):
   error, called at subdir/tough2.lhs:40:14 in main:Main
 "Bark"
 "Hello"