diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 4d3088458f..3956896d39 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -3755,7 +3755,7 @@ auto_ptr<TexRow> Buffer::getSourceCode(odocstream & os, string const & format,
 			// in order to know if we should output polyglossia
 			// macros (instead of babel macros)
 			LaTeXFeatures features(*this, params(), runparams);
-			params().validate(features);
+			validate(features);
 			runparams.use_polyglossia = features.usePolyglossia();
 			texrow.reset(new TexRow());
 			texrow->newline();
diff --git a/status.22x b/status.22x
index 29a63088bb..6d48a2899c 100644
--- a/status.22x
+++ b/status.22x
@@ -79,6 +79,9 @@ What's new
 - The '|' special character in index insets must no longer be inserted via
   TeX-mode.
 
+- Fix preview of language switching commands for single paragraphs in some
+  corner cases.
+
 
 * LYX2LYX