diff --git a/psalm.xml b/psalm.xml
index a8f8249..768cc66 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -2,7 +2,8 @@
 <psalm
     name="SimpleSAMLphp authorize module"
     useDocblockTypes="true"
-    totallyTyped="false"
+    errorLevel="2"
+    reportMixedIssues="false"
 >
     <projectFiles>
         <directory name="lib" />