diff --git a/typo3/sysext/core/Classes/TypoScript/IncludeTree/SysTemplateTreeBuilder.php b/typo3/sysext/core/Classes/TypoScript/IncludeTree/SysTemplateTreeBuilder.php
index f8222d4c1838ffa659879778d490b1ce068b74e4..1256b812c98da4e5b987f04633a147b163ef8117 100644
--- a/typo3/sysext/core/Classes/TypoScript/IncludeTree/SysTemplateTreeBuilder.php
+++ b/typo3/sysext/core/Classes/TypoScript/IncludeTree/SysTemplateTreeBuilder.php
@@ -328,7 +328,7 @@ final class SysTemplateTreeBuilder
             $parentNode->addChild($includeStaticFileFileInclude);
             $includeStaticFileFileIncludeContent = (string)file_get_contents($includeStaticFileFileIncludePath);
             // @todo: There is no array_unique() for DB based include_static_file content?!
-            $includeStaticFileFileIncludeArray = array_unique(GeneralUtility::trimExplode(',', $includeStaticFileFileIncludeContent));
+            $includeStaticFileFileIncludeArray = array_unique(GeneralUtility::trimExplode(',', $includeStaticFileFileIncludeContent, true));
             foreach ($includeStaticFileFileIncludeArray as $includeStaticFileFileIncludeString) {
                 $this->handleSingleIncludeStaticFile($includeStaticFileFileInclude, $includeStaticFileFileIncludeString);
             }