diff --git a/moment-timezone.js b/moment-timezone.js
index d2d84440..ed0cfa46 100644
--- a/moment-timezone.js
+++ b/moment-timezone.js
@@ -388,9 +388,7 @@
 			normalized = normalizeName(name);
 			zones[normalized] = packed[i];
 			names[normalized] = name;
-			if (split[5]) {
-				addToGuesses(normalized, split[2].split(' '));
-			}
+			addToGuesses(normalized, split[2].split(' '));
 		}
 	}