diff --git a/src/json/cmdhelper.cpp b/src/json/cmdhelper.cpp
index 34bfd38..272e8a8 100644
--- a/src/json/cmdhelper.cpp
+++ b/src/json/cmdhelper.cpp
@@ -40,7 +40,7 @@ QString cmdHelper::getDCMTKVersion()
 bool cmdHelper::getDiskSize(double& size)
 {
 	std::string str;
-    if (cmdHelper::Instance()->exec2("df /mnt/data -h -BG", str))
+    if (cmdHelper::Instance()->exec2("df /mnt/nfs -h -BG", str))
 	{
 		QString qstr = QString::fromStdString(str);
 		QStringList strList = qstr.split('\n');
@@ -58,7 +58,7 @@ bool cmdHelper::getDiskSize(double& size)
 bool cmdHelper::getDiskUsed(double& used)
 {
 	std::string str;
-    if (cmdHelper::Instance()->exec2("df /mnt/data -h -BG", str))
+    if (cmdHelper::Instance()->exec2("df /mnt/nfs -h -BG", str))
 	{
 		QString qstr = QString::fromStdString(str);
 		QStringList strList = qstr.split('\n');