diff --git a/lib/prop_parser.js b/lib/prop_parser.js
index 6ff68a7..41f4e7e 100644
--- a/lib/prop_parser.js
+++ b/lib/prop_parser.js
@@ -51,13 +51,11 @@ exports.parseKeywords = function ( prop )
 
     prop = ''+( prop );
 
-    // only perform parsing if the string contains a space
-    if ( / /.test( prop ) )
+    // the keywords are all words, except for the last, which is the
+    // property name
+    if ( ( keywords = prop.split( /\s+/ ) ).length !== 1 )
     {
-        // the keywords are all words, except for the last, which is the
-        // property name
-        keywords = prop.split( /\s+/ );
-        name     = keywords.pop();
+        name = keywords.pop();
 
         var i       = keywords.length,
             keyword = '';