diff --git a/weed/shell/command_ec_common.go b/weed/shell/command_ec_common.go
index 2ed4dd354..599ec048b 100644
--- a/weed/shell/command_ec_common.go
+++ b/weed/shell/command_ec_common.go
@@ -288,6 +288,7 @@ func oneServerCopyAndMountEcShardsFromSource(grpcDialOption grpc.DialOption,
 				CopyEcjFile:    true,
 				CopyVifFile:    true,
 				SourceDataNode: string(existingLocation),
+				Generation:     0, // shell commands operate on existing (generation 0) volumes
 			})
 			if copyErr != nil {
 				return fmt.Errorf("copy %d.%v %s => %s : %v\n", volumeId, shardIdsToCopy, existingLocation, targetServer.info.Id, copyErr)
diff --git a/weed/shell/command_ec_decode.go b/weed/shell/command_ec_decode.go
index 673a9a4f2..63972dfa3 100644
--- a/weed/shell/command_ec_decode.go
+++ b/weed/shell/command_ec_decode.go
@@ -196,6 +196,7 @@ func collectEcShards(commandEnv *CommandEnv, nodeToEcIndexBits map[pb.ServerAddr
 				CopyEcjFile:    true,
 				CopyVifFile:    true,
 				SourceDataNode: string(loc),
+				Generation:     0, // shell commands operate on existing (generation 0) volumes
 			})
 			if copyErr != nil {
 				return fmt.Errorf("copy %d.%v %s => %s : %v\n", vid, needToCopyEcIndexBits.ShardIds(), loc, targetNodeLocation, copyErr)
diff --git a/weed/shell/command_ec_rebuild.go b/weed/shell/command_ec_rebuild.go
index 8cae77434..a7200c2c5 100644
--- a/weed/shell/command_ec_rebuild.go
+++ b/weed/shell/command_ec_rebuild.go
@@ -231,6 +231,7 @@ func prepareDataToRecover(commandEnv *CommandEnv, rebuilder *EcNode, collection
 					CopyEcjFile:    true,
 					CopyVifFile:    needEcxFile,
 					SourceDataNode: ecNodes[0].info.Id,
+					Generation:     0, // shell commands operate on existing (generation 0) volumes
 				})
 				return copyErr
 			})