diff --git a/graphingwindow.cpp b/graphingwindow.cpp
index f9f2d72..e7fc013 100644
--- a/graphingwindow.cpp
+++ b/graphingwindow.cpp
@@ -521,6 +521,7 @@ void GraphingWindow::showParamsDialog(int idx = -1)
     {
         thisDialog->setParams(graphParams[idx]);
     }
+    else thisDialog->clearParams();
 
     if (thisDialog->exec() == QDialog::Accepted)
     {
diff --git a/newgraphdialog.cpp b/newgraphdialog.cpp
index 2a24a74..41aa28f 100644
--- a/newgraphdialog.cpp
+++ b/newgraphdialog.cpp
@@ -49,6 +49,18 @@ void NewGraphDialog::colorSwatchClick()
 
 }
 
+void NewGraphDialog::clearParams()
+{
+    ui->txtID->clear();
+    ui->txtBias->clear();
+    ui->txtMask->clear();
+    ui->txtScale->clear();
+    ui->txtStride->clear();
+    ui->txtName->clear();
+    ui->txtData->clear();
+
+}
+
 void NewGraphDialog::setParams(GraphParams &params)
 {
     ui->txtID->setText(Utility::formatNumber(params.ID));
diff --git a/newgraphdialog.h b/newgraphdialog.h
index 6cac7d8..9c9686f 100644
--- a/newgraphdialog.h
+++ b/newgraphdialog.h
@@ -18,6 +18,7 @@ public:
     ~NewGraphDialog();
     void getParams(GraphParams &);
     void setParams(GraphParams &);
+    void clearParams();
 
 private slots:
     void addButtonClicked();