diff --git a/web/lib/ght.php b/web/lib/ght.php
index 0d7a5f7..df3dc09 100644
--- a/web/lib/ght.php
+++ b/web/lib/ght.php
@@ -70,7 +70,8 @@ $ozero is whether to include a zero value for a unit
 	if ($buniti>=1) {
 		if ($out!='') $osep=$sep;
 		$x=round($ts,$sd);
-		($x==1) ? $out.=$osep.$x.' '.$fa[$i] : $out.=$osep.$x.' '.$fa[$i+1];
+		if ($x>0 || $ozero || $out=='')
+			($x==1) ? $out.=$osep.$x.' '.$fa[$i] : $out.=$osep.$x.' '.$fa[$i+1];
 	}
 	return $out;
 }