diff --git a/common/drawpanel.cpp b/common/drawpanel.cpp
index a6ad825537..93d2076af3 100644
--- a/common/drawpanel.cpp
+++ b/common/drawpanel.cpp
@@ -160,20 +160,20 @@ BASE_SCREEN* EDA_DRAW_PANEL::GetScreen()
 
 wxPoint EDA_DRAW_PANEL::ToDeviceXY( const wxPoint& pos )
 {
-	wxPoint ret;
-	INSTALL_UNBUFFERED_DC( dc, this );
-	ret.x = dc.LogicalToDeviceX( pos.x );
-	ret.y = dc.LogicalToDeviceY( pos.y );
-	return ret;
+    wxPoint ret;
+    INSTALL_UNBUFFERED_DC( dc, this );
+    ret.x = dc.LogicalToDeviceX( pos.x );
+    ret.y = dc.LogicalToDeviceY( pos.y );
+    return ret;
 }
 
 wxPoint EDA_DRAW_PANEL::ToLogicalXY( const wxPoint& pos )
 {
-	wxPoint ret;
-	INSTALL_UNBUFFERED_DC( dc, this );
-	ret.x = dc.DeviceToLogicalX( pos.x );
-	ret.y = dc.DeviceToLogicalY( pos.y );
-	return ret;
+    wxPoint ret;
+    INSTALL_UNBUFFERED_DC( dc, this );
+    ret.x = dc.DeviceToLogicalX( pos.x );
+    ret.y = dc.DeviceToLogicalY( pos.y );
+    return ret;
 }
 
 void EDA_DRAW_PANEL::DrawCrossHair( wxDC* aDC, EDA_COLOR_T aColor )
diff --git a/common/zoom.cpp b/common/zoom.cpp
index ef36d7567f..06ee212191 100644
--- a/common/zoom.cpp
+++ b/common/zoom.cpp
@@ -56,9 +56,9 @@ void EDA_DRAW_FRAME::RedrawScreen( const wxPoint& aCenterPoint, bool aWarpPointe
 
 void EDA_DRAW_FRAME::RedrawScreen2( const wxPoint& posBefore )
 {
-	wxPoint dPos = posBefore - m_canvas->GetClientSize() / 2; // relative screen position to center before zoom
-	wxPoint newScreenPos = m_canvas->ToDeviceXY( GetScreen()->GetCrossHairPosition() ); // screen position of crosshair after zoom
-	wxPoint newCenter = m_canvas->ToLogicalXY( newScreenPos - dPos );
+    wxPoint dPos = posBefore - m_canvas->GetClientSize() / 2; // relative screen position to center before zoom
+    wxPoint newScreenPos = m_canvas->ToDeviceXY( GetScreen()->GetCrossHairPosition() ); // screen position of crosshair after zoom
+    wxPoint newCenter = m_canvas->ToLogicalXY( newScreenPos - dPos );
 
     AdjustScrollBars( newCenter );
 
diff --git a/gerbview/dialogs/gerbview_dialog_display_options_frame.cpp b/gerbview/dialogs/gerbview_dialog_display_options_frame.cpp
index 70312afccc..24928c9f75 100644
--- a/gerbview/dialogs/gerbview_dialog_display_options_frame.cpp
+++ b/gerbview/dialogs/gerbview_dialog_display_options_frame.cpp
@@ -143,7 +143,7 @@ void DIALOG_DISPLAY_OPTIONS::OnOKBUttonClick( wxCommandEvent& event )
 
     m_Parent->SetPageSettings( pageInfo );
 
-	m_Parent->GetCanvas()->SetEnableZoomNoCenter( m_OptZoomNoCenter->GetValue() );
+    m_Parent->GetCanvas()->SetEnableZoomNoCenter( m_OptZoomNoCenter->GetValue() );
     m_Parent->GetCanvas()->SetEnableMiddleButtonPan( m_OptMiddleButtonPan->GetValue() );
     m_Parent->GetCanvas()->SetMiddleButtonPanLimited( m_OptMiddleButtonPanLimited->GetValue() );