diff --git a/.github/workflows/static-code-analysis.yml b/.github/workflows/static-code-analysis.yml
index c7fa63386f9ff..16f21e5ec74ec 100644
--- a/.github/workflows/static-code-analysis.yml
+++ b/.github/workflows/static-code-analysis.yml
@@ -43,6 +43,8 @@ jobs:
               - 'vendor-bin/**'
               - 'composer.json'
               - 'composer.lock'
+              - 'psalm*.xml'
+              - 'build/psalm-baseline*.xml'
               - '**.php'
 
   static-code-analysis:
diff --git a/psalm.xml b/psalm.xml
index 23d063915e05c..60a80f532b880 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -132,6 +132,9 @@
 		<file name="build/stubs/php-polyfill.php" />
 		<file name="build/stubs/oca_talk_share_helper_shareapicontroller.php" />
 	</stubs>
+	<forbiddenFunctions>
+		<function name="iconv"/>
+	</forbiddenFunctions>
 	<issueHandlers>
 		<LessSpecificReturnStatement errorLevel="error"/>
 		<LessSpecificReturnType errorLevel="error"/>