Fix #3540 (#3541)

web/inc/main.php

@@ -386,11 +386,22 @@ function humanize_usage_measure($usage) {
 		if ($usage > 1024) {
 			$usage = $usage / 1024;
 			$measure = $usage < 1024 ? "tb" : "pb";
+			if ($usage > 1000) {
+				$usage = $usage / 1024;
+				$measure = "pb";
+			}
 		} else {
 			$measure = $usage < 1024 ? "gb" : "tb";
+			if ($usage > 1000) {
+				$usage = $usage / 1024;
+				$measure = "tb";
+			}
 		}
 	} else {
 		$measure = $usage < 1024 ? "mb" : "gb";
+		if ($usage > 1000) {
+			$measure = "gb";
+		}
 	}
 	return $measure;
 }