diff --git a/weed/shell/command_volume_fsck.go b/weed/shell/command_volume_fsck.go
index e950c0b0e..c79b062f7 100644
--- a/weed/shell/command_volume_fsck.go
+++ b/weed/shell/command_volume_fsck.go
@@ -34,7 +34,7 @@ func init() {
 
 type commandVolumeFsck struct {
 	env          *CommandEnv
-	forcePurging bool
+	forcePurging *bool
 }
 
 func (c *commandVolumeFsck) Name() string {
@@ -69,7 +69,7 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
 	findMissingChunksInFilerPath := fsckCommand.String("findMissingChunksInFilerPath", "/", "used together with findMissingChunksInFiler")
 	findMissingChunksInVolumeId := fsckCommand.Int("findMissingChunksInVolumeId", 0, "used together with findMissingChunksInFiler")
 	applyPurging := fsckCommand.Bool("reallyDeleteFromVolume", false, "<expert only!> after detection, delete missing data from volumes / delete missing file entries from filer")
-	c.forcePurging = *fsckCommand.Bool("forcePurging", false, "delete missing data from volumes in one replica")
+	c.forcePurging = fsckCommand.Bool("forcePurging", false, "delete missing data from volumes in one replica")
 	purgeAbsent := fsckCommand.Bool("reallyDeleteFilerEntries", false, "<expert only!> delete missing file entries from filer if the corresponding volume is missing for any reason, please ensure all still existing/expected volumes are connected! used together with findMissingChunksInFiler")
 	tempPath := fsckCommand.String("tempPath", path.Join(os.TempDir()), "path for temporary idx files")
 
@@ -295,7 +295,7 @@ func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVIn
 			}
 			orphanFileIds := []string{}
 			for fid, foundInAllReplicas := range orphanReplicaFileIds {
-				if !isSeveralReplicas[volumeId] || c.forcePurging || (isSeveralReplicas[volumeId] && foundInAllReplicas) {
+				if !isSeveralReplicas[volumeId] || *c.forcePurging || (isSeveralReplicas[volumeId] && foundInAllReplicas) {
 					orphanFileIds = append(orphanFileIds, fid)
 				}
 			}