diff --git a/src/libs/extensionsystem/optionsparser.cpp b/src/libs/extensionsystem/optionsparser.cpp
index a7b91de70be..852df2863d8 100644
--- a/src/libs/extensionsystem/optionsparser.cpp
+++ b/src/libs/extensionsystem/optionsparser.cpp
@@ -112,10 +112,10 @@ bool OptionsParser::checkForTestOptions()
     if (m_currentArg == QLatin1String(TEST_OPTION)) {
         if (nextToken(RequiredToken)) {
             if (m_currentArg == QLatin1String("all")) {
-                foreach (PluginSpec *spec, m_pmPrivate->pluginSpecs) {
-                    if (spec && !m_pmPrivate->containsTestSpec(spec))
-                        m_pmPrivate->testSpecs.append(PluginManagerPrivate::TestSpec(spec));
-                }
+                m_pmPrivate->testSpecs =
+                        Utils::transform(m_pmPrivate->loadQueue(), [](PluginSpec *spec) {
+                            return PluginManagerPrivate::TestSpec(spec);
+                        });
             } else {
                 QStringList args = m_currentArg.split(QLatin1Char(','));
                 const QString pluginName = args.takeFirst();