diff --git a/phpstan.dist.neon b/phpstan.dist.neon
index b2ae4824..646d29e6 100644
--- a/phpstan.dist.neon
+++ b/phpstan.dist.neon
@@ -26,7 +26,7 @@ parameters:
 
     checkUninitializedProperties: true
 
-    checkFunctionNameCase: true
+    checkFunctionNameCase: false
 
     checkAlwaysTrueInstanceof: false
     checkAlwaysTrueCheckTypeFunctionCall: false
diff --git a/src/Services/LabelSystem/PlaceholderProviders/BarcodeProvider.php b/src/Services/LabelSystem/PlaceholderProviders/BarcodeProvider.php
index 80685e86..dd70177f 100644
--- a/src/Services/LabelSystem/PlaceholderProviders/BarcodeProvider.php
+++ b/src/Services/LabelSystem/PlaceholderProviders/BarcodeProvider.php
@@ -75,7 +75,8 @@ final class BarcodeProvider implements PlaceholderProviderInterface
             return $this->barcodeGenerator->generateHTMLBarcode($label_options, $label_target);
         }
 
-        if ($label_target instanceof Part || $label_target instanceof PartLot) {
+        if (($label_target instanceof Part || $label_target instanceof PartLot)
+            && str_starts_with($placeholder, '[[IPN_BARCODE_')) {
             if ($label_target instanceof PartLot) {
                 $label_target = $label_target->getPart();
             }