diff --git a/src/jquery.uls.languagefilter.js b/src/jquery.uls.languagefilter.js
index 0b9453a..ca7a43a 100644
--- a/src/jquery.uls.languagefilter.js
+++ b/src/jquery.uls.languagefilter.js
@@ -213,7 +213,9 @@
 						languageFilter.autofill( code, name );
 					}
 
-					if ( languageFilter.render( code ) ) {
+					if ( languageFilter.options.languages[ code ] &&
+						languageFilter.render( code )
+					) {
 						languageFilter.resultCount++;
 					}
 				} );