diff --git a/common/widgets/bitmap_button.cpp b/common/widgets/bitmap_button.cpp
index 0bc9c0c545..aaa28e0944 100644
--- a/common/widgets/bitmap_button.cpp
+++ b/common/widgets/bitmap_button.cpp
@@ -35,10 +35,13 @@
 BITMAP_BUTTON::BITMAP_BUTTON( wxWindow* aParent, wxWindowID aId, const wxPoint& aPos,
                               const wxSize& aSize, int aStyles ) :
         wxPanel( aParent, aId, aPos, aSize, aStyles ),
-        m_isRadioButton( false ), m_buttonState( 0 ), m_padding( 0 ),
-        m_acceptDraggedInClicks( false ), m_showBadge( false ),
+        m_isRadioButton( false ),
+        m_showBadge( false ),
         m_badgeColor( wxColor( 210, 0, 0, 0 ) ), // dark red
-        m_badgeTextColor( wxColor( wxT( "white" ) ) )
+        m_badgeTextColor( wxColor( wxT( "white" ) ) ),
+        m_buttonState( 0 ),
+        m_padding( 0 ),
+        m_acceptDraggedInClicks( false )
 {
     if( aSize == wxDefaultSize )
         SetMinSize( wxButton::GetDefaultSize() + wxSize( m_padding * 2, m_padding * 2) );
@@ -53,6 +56,7 @@ BITMAP_BUTTON::BITMAP_BUTTON( wxWindow* aParent, wxWindowID aId, const wxBitmap&
                               const wxPoint& aPos, const wxSize& aSize, int aStyles ) :
         wxPanel( aParent, aId, aPos, aSize, aStyles ),
         m_isRadioButton( false ),
+        m_showBadge( false ),
         m_buttonState( 0 ),
         m_padding( 5 ),
         m_acceptDraggedInClicks( false )
diff --git a/kicad/pcm/pcm_data.h b/kicad/pcm/pcm_data.h
index c03c41ef53..7b9d0159a3 100644
--- a/kicad/pcm/pcm_data.h
+++ b/kicad/pcm/pcm_data.h
@@ -86,7 +86,7 @@ struct PACKAGE_VERSION
 
     // Not serialized fields
     std::tuple<int, int, int, int> parsed_version; // Full version tuple for sorting
-    bool                           compatible;
+    bool                           compatible = true;
 };
 
 
diff --git a/pcbnew/tools/pcb_selection_tool.cpp b/pcbnew/tools/pcb_selection_tool.cpp
index c8cceb9c05..f546bd1f26 100644
--- a/pcbnew/tools/pcb_selection_tool.cpp
+++ b/pcbnew/tools/pcb_selection_tool.cpp
@@ -1596,7 +1596,7 @@ int PCB_SELECTION_TOOL::selectSameSheet( const TOOL_EVENT& aEvent )
 
     FOOTPRINT* footprint = dynamic_cast<FOOTPRINT*>( item );
 
-    if( footprint->GetPath().empty() )
+    if( !footprint || footprint->GetPath().empty() )
         return 0;
 
     ClearSelection( true /*quiet mode*/ );