diff --git a/svtools/source/config/htmlcfg.cxx b/svtools/source/config/htmlcfg.cxx
index 8835b132bf05..b871881e0997 100644
--- a/svtools/source/config/htmlcfg.cxx
+++ b/svtools/source/config/htmlcfg.cxx
@@ -90,7 +90,8 @@ bool IsPrintLayoutExtension()
 bool IsDefaultTextEncoding()
 {
     std::optional<sal_Int32> x = officecfg::Office::Common::Filter::HTML::Export::Encoding::get();
-    return bool(x);
+    // if we have a value, then the text encoding is not default
+    return !bool(x);
 }
 rtl_TextEncoding GetTextEncoding()
 {