diff --git a/controller/instance_manager_controller.go b/controller/instance_manager_controller.go
index 7ad59550cc..c5391bff64 100644
--- a/controller/instance_manager_controller.go
+++ b/controller/instance_manager_controller.go
@@ -521,10 +521,6 @@ func (imc *InstanceManagerController) isDateEngineCPUMaskApplied(im *longhorn.In
 }
 
 func (imc *InstanceManagerController) syncLogSettingsToInstanceManagerPod(im *longhorn.InstanceManager) error {
-	if types.IsDataEngineV1(im.Spec.DataEngine) {
-		return nil
-	}
-
 	if im.Status.CurrentState != longhorn.InstanceManagerStateRunning {
 		return nil
 	}
@@ -535,6 +531,21 @@ func (imc *InstanceManagerController) syncLogSettingsToInstanceManagerPod(im *lo
 	}
 	defer client.Close()
 
+	if types.IsDataEngineV1(im.Spec.DataEngine) {
+		settingName := types.SettingNameLogLevel
+		setting, err := imc.ds.GetSettingWithAutoFillingRO(settingName)
+		if err != nil {
+			return err
+		}
+
+		err = client.LogSetLevel(longhorn.DataEngineTypeV1, "", setting.Value)
+		if err != nil {
+			return errors.Wrapf(err, "failed to set instance-manager log level from %v", settingName)
+		}
+
+		return nil
+	}
+
 	settingNames := []types.SettingName{
 		types.SettingNameV2DataEngineLogLevel,
 		types.SettingNameV2DataEngineLogFlags,