diff --git a/ChangeLog.txt b/ChangeLog.txt
index ef27af10e..50c77040e 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -8,6 +8,7 @@
 - [#686] Seam allowance not placed correctly.
 - [#687] Wrong seam allowance.
 - [#689] Grainline default values swapped around.
+- [#688] Difficult to enter numbers in Tape.
 
 # Version 0.5.0 May 9, 2017
 - [#581] User can now filter input lists by keyword in function wizard.
diff --git a/src/app/tape/tmainwindow.cpp b/src/app/tape/tmainwindow.cpp
index eedf8d01c..4151e8305 100644
--- a/src/app/tape/tmainwindow.cpp
+++ b/src/app/tape/tmainwindow.cpp
@@ -1435,6 +1435,12 @@ void TMainWindow::ChangedHeight(const QString &text)
 
 //---------------------------------------------------------------------------------------------------------------------
 void TMainWindow::ShowMData()
+{
+    ShowNewMData(true);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void TMainWindow::ShowNewMData(bool fresh)
 {
     if (ui->tableWidget->rowCount() > 0)
     {
@@ -1487,9 +1493,12 @@ void TMainWindow::ShowMData()
             const qreal value = UnitConvertor(data->GetTableValue(meash->GetName(), mType), mUnit, pUnit);
             ui->labelCalculatedValue->setText(qApp->LocaleToString(value) + " " +postfix);
 
-            ui->doubleSpinBoxBaseValue->setValue(meash->GetBase());
-            ui->doubleSpinBoxInSizes->setValue(meash->GetKsize());
-            ui->doubleSpinBoxInHeights->setValue(meash->GetKheight());
+            if (fresh)
+            {
+                ui->doubleSpinBoxBaseValue->setValue(meash->GetBase());
+                ui->doubleSpinBoxInSizes->setValue(meash->GetKsize());
+                ui->doubleSpinBoxInHeights->setValue(meash->GetKheight());
+            }
 
             ui->labelCalculatedValue->blockSignals(false);
             ui->doubleSpinBoxBaseValue->blockSignals(false);
@@ -1740,7 +1749,7 @@ void TMainWindow::SaveMBaseValue(double value)
     ui->tableWidget->selectRow(row);
     ui->tableWidget->blockSignals(false);
 
-    ShowMData();
+    ShowNewMData(false);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1765,7 +1774,7 @@ void TMainWindow::SaveMSizeIncrease(double value)
     ui->tableWidget->selectRow(row);
     ui->tableWidget->blockSignals(false);
 
-    ShowMData();
+    ShowNewMData(false);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1790,7 +1799,7 @@ void TMainWindow::SaveMHeightIncrease(double value)
     ui->tableWidget->selectRow(row);
     ui->tableWidget->blockSignals(false);
 
-    ShowMData();
+    ShowNewMData(false);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/tape/tmainwindow.h b/src/app/tape/tmainwindow.h
index fb2aeab6a..3f635c505 100644
--- a/src/app/tape/tmainwindow.h
+++ b/src/app/tape/tmainwindow.h
@@ -162,6 +162,7 @@ private:
     void InitComboBoxUnits();
     void InitGender(QComboBox *gender);
 
+    void ShowNewMData(bool fresh);
     void ShowUnits();
     void ShowHeaderUnits(QTableWidget *table, int column, const QString &unit);
     void UpdateRecentFileActions();