diff --git a/weed/shell/command_ec_common_test.go b/weed/shell/command_ec_common_test.go
index c6e40ce79..47bf9eea1 100644
--- a/weed/shell/command_ec_common_test.go
+++ b/weed/shell/command_ec_common_test.go
@@ -229,7 +229,8 @@ func TestPickEcNodeToBalanceShardsInto(t *testing.T) {
 		allEcNodes, _ := collectEcVolumeServersByDc(tc.topology, "", types.HardDriveType)
 
 		ecb := &ecBalancer{
-			ecNodes: allEcNodes,
+			ecNodes:  allEcNodes,
+			diskType: types.HardDriveType,
 		}
 
 		// Resolve target node by name