diff --git a/src/jquery.uls.languagefilter.js b/src/jquery.uls.languagefilter.js
index 8a75253..bb3ad6c 100644
--- a/src/jquery.uls.languagefilter.js
+++ b/src/jquery.uls.languagefilter.js
@@ -340,11 +340,7 @@
 		// Pre-base vowel signs of Indic languages. A vowel sign is called pre-base if
 		// consonant + vowel becomes [vowel][consonant] when rendered. Eg: ക + െ => കെ
 		var prebases = "െേൈൊോൌெேைொோௌେୈୋୌિਿिিেৈোৌෙේෛොෝෞ";
-		if ( prebases.indexOf( string[prefix.length] ) > 0 ) {
-			return false;
-		} else {
-			return true;
-		}
+		return prebases.indexOf( string[prefix.length] ) <= 0;
 	}
 
 } ( jQuery ) );