diff --git a/src/interfaces/ecpg/test/expected/thread-prep.stdout b/src/interfaces/ecpg/test/expected/thread-prep.stdout
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..75fe16bb36bb2580d8365d62780f9c21ad7c259c 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 a9d787cc55cbb2d168495737dd11410b74e58b04..75fe16bb36bb2580d8365d62780f9c21ad7c259c 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 a9d787cc55cbb2d168495737dd11410b74e58b04..75fe16bb36bb2580d8365d62780f9c21ad7c259c 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.