diff --git a/src/interfaces/ecpg/test/expected/thread-prep.stdout b/src/interfaces/ecpg/test/expected/thread-prep.stdout
index e69de29bb2d..75fe16bb36b 100644
--- a/src/interfaces/ecpg/test/expected/thread-prep.stdout
+++ b/src/interfaces/ecpg/test/expected/thread-prep.stdout
@@ -0,0 +1 @@
+No threading enabled.
diff --git a/src/interfaces/ecpg/test/expected/thread-thread.stdout b/src/interfaces/ecpg/test/expected/thread-thread.stdout
index a9d787cc55c..75fe16bb36b 100644
--- a/src/interfaces/ecpg/test/expected/thread-thread.stdout
+++ b/src/interfaces/ecpg/test/expected/thread-thread.stdout
@@ -1 +1 @@
-Success.
+No threading enabled.
diff --git a/src/interfaces/ecpg/test/expected/thread-thread_implicit.stdout b/src/interfaces/ecpg/test/expected/thread-thread_implicit.stdout
index a9d787cc55c..75fe16bb36b 100644
--- a/src/interfaces/ecpg/test/expected/thread-thread_implicit.stdout
+++ b/src/interfaces/ecpg/test/expected/thread-thread_implicit.stdout
@@ -1 +1 @@
-Success.
+No threading enabled.