diff --git a/tests/simple/tixs/T10529a.stderr b/tests/simple/tixs/T10529a.stderr
index d83560a22f7a4fc4396ddf7297ff8bf69d42e9d1..2f495549f0f02e40937425f246da9c7f06d9f8ab 100644
--- a/tests/simple/tixs/T10529a.stderr
+++ b/tests/simple/tixs/T10529a.stderr
@@ -1,3 +1,3 @@
 hpc: can not find NonExistingModule in ./.hpc
-CallStack:
+CallStack (from ImplicitParams):
   error, called at libraries/hpc/Trace/Hpc/Mix.hs:119:15 in hpc-0.6.0.2:Trace.Hpc.Mix
diff --git a/tests/simple/tixs/T10529b.stderr b/tests/simple/tixs/T10529b.stderr
index 151b9536784da9eb4915355cefaf933c0e87d962..ad9b6758439a3eb352bfba1cb811da80cd55bb7c 100644
--- a/tests/simple/tixs/T10529b.stderr
+++ b/tests/simple/tixs/T10529b.stderr
@@ -1,4 +1,4 @@
 hpc: hash in tix file for module Main (1234567890)
 does not match hash in ./.hpc/Main.mix (2454134535)
-CallStack:
+CallStack (from ImplicitParams):
   error, called at libraries/hpc/Trace/Hpc/Mix.hs:129:17 in hpc-0.6.0.2:Trace.Hpc.Mix
diff --git a/tests/simple/tixs/T10529c.stderr b/tests/simple/tixs/T10529c.stderr
index 5c2f6495075583c1d98b5b7ad15478e86d4b5824..0700886c856c2c5bb0c366c7f5865786ad713330 100644
--- a/tests/simple/tixs/T10529c.stderr
+++ b/tests/simple/tixs/T10529c.stderr
@@ -1,3 +1,3 @@
 hpc: can not parse ./.hpc/NoParse.mix
-CallStack:
+CallStack (from ImplicitParams):
   error, called at libraries/hpc/Trace/Hpc/Mix.hs:103:43 in hpc-0.6.0.2:Trace.Hpc.Mix