diff --git a/src/Mod/TechDraw/Gui/TaskProjGroup.cpp b/src/Mod/TechDraw/Gui/TaskProjGroup.cpp
index f09d0e5cda..fb6f82abac 100644
--- a/src/Mod/TechDraw/Gui/TaskProjGroup.cpp
+++ b/src/Mod/TechDraw/Gui/TaskProjGroup.cpp
@@ -72,16 +72,16 @@ TaskProjGroup::TaskProjGroup(TechDraw::DrawProjGroup* featView, bool mode) :
 
     setFractionalScale(multiView->getScale());
     ui->cmbScaleType->setCurrentIndex(multiView->ScaleType.getValue());
-	
-	//Allow or prevent scale changing initially 
-	if (multiView->ScaleType.isValue("Custom"))	{
-		ui->sbScaleNum->setEnabled(true);
-		ui->sbScaleDen->setEnabled(true);
-	}
-	else {
-		ui->sbScaleNum->setEnabled(false);
-		ui->sbScaleDen->setEnabled(false);
-	}
+    
+    //Allow or prevent scale changing initially 
+    if (multiView->ScaleType.isValue("Custom"))	{
+        ui->sbScaleNum->setEnabled(true);
+        ui->sbScaleDen->setEnabled(true);
+    }
+    else {
+        ui->sbScaleNum->setEnabled(false);
+        ui->sbScaleDen->setEnabled(false);
+    }
 
     // Initially toggle view checkboxes if needed
     setupViewCheckboxes(true);
@@ -239,9 +239,9 @@ void TaskProjGroup::scaleTypeChanged(int index)
     if(blockUpdate)
         return;
 
-	//defaults to prevent scale changing 
-	ui->sbScaleNum->setEnabled(false);
-	ui->sbScaleDen->setEnabled(false);
+    //defaults to prevent scale changing 
+    ui->sbScaleNum->setEnabled(false);
+    ui->sbScaleDen->setEnabled(false);
 
     if(index == 0) {
         // Document Scale Type
@@ -255,8 +255,8 @@ void TaskProjGroup::scaleTypeChanged(int index)
         // Custom Scale Type
         Gui::Command::doCommand(Gui::Command::Doc, "App.activeDocument().%s.ScaleType = '%s'", multiView->getNameInDocument()
                                                                                              , "Custom");
-		ui->sbScaleNum->setEnabled(true);
-		ui->sbScaleDen->setEnabled(true);
+        ui->sbScaleNum->setEnabled(true);
+        ui->sbScaleDen->setEnabled(true);
 
         int a = ui->sbScaleNum->value();
         int b = ui->sbScaleDen->value();