diff --git a/psalm.xml.dist b/psalm.xml.dist
index e8e934fb9..3f58c34b4 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -26,6 +26,7 @@
             <file name="vendor/symfony/console/Command/Command.php"/>
             <file name="src/spl_object_id.php"/>
             <file name="src/Psalm/Internal/Stubs/*.php"/>
+            <file name="src/Psalm/Internal/Stubs/*.phpstub"/>
             <directory name="tests/fixtures"/>
             <file name="vendor/felixfbecker/advanced-json-rpc/lib/Dispatcher.php" />
             <directory name="vendor/netresearch/jsonmapper" />
@@ -103,6 +104,12 @@
             </errorLevel>
         </PossiblyUnusedProperty>
 
+        <MissingConstructor>
+            <errorLevel type="suppress">
+                <directory name="tests"/>
+            </errorLevel>
+        </MissingConstructor>
+
         <MissingThrowsDocblock errorLevel="info"/>
 
         <PossiblyUnusedMethod>
diff --git a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
index a65098349..3be86e659 100644
--- a/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/ProjectAnalyzer.php
@@ -507,6 +507,8 @@ class ProjectAnalyzer
         ) {
             $this->codebase->analyzer->addFilesToAnalyze($this->project_files);
 
+            $this->visitAutoloadFiles();
+
             $this->config->initializePlugins($this);
 
             $this->codebase->scanFiles($this->threads);