diff --git a/glib/tests/meson.build b/glib/tests/meson.build
index 40a75debb..ba7ac5108 100644
--- a/glib/tests/meson.build
+++ b/glib/tests/meson.build
@@ -116,6 +116,7 @@ glib_tests = {
   'test-printf' : {},
   'thread' : {},
   'thread-pool' : {},
+  'thread-pool-slow' : {'suite' : ['slow']},
   'timeout' : {},
   'timer' : {},
   'tree' : {},
diff --git a/tests/threadpool-test.c b/glib/tests/thread-pool-slow.c
similarity index 100%
rename from tests/threadpool-test.c
rename to glib/tests/thread-pool-slow.c
diff --git a/tests/meson.build b/tests/meson.build
index 3290ffa6f..5a50f80e2 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -23,7 +23,6 @@ tests = {
     'dependencies' : [libgthread_dep],
   },
   'thread-test' : {},
-  'threadpool-test' : {'suite' : ['slow']},
   'module-test-library' : {
     'dependencies' : [libgmodule_dep],
     'export_dynamic' : true,