diff --git a/Core/Core.cc b/Core/Core.cc
index f66e38b5689973ea00ef8e08b6921739428c65ba..5ab482cd2c105076d4a55b238f4b2dfa079f46a1 100644
--- a/Core/Core.cc
+++ b/Core/Core.cc
@@ -1011,6 +1011,7 @@ void Core::multiViewMode( int _mode ) {
 
     default:
       emit log(LOGERR,tr("Requested illegal multiview mode!"));
+      break;
   }
 
 }
diff --git a/common/GlobalOptions.cc b/common/GlobalOptions.cc
index ec5387037046c2825d8f9f8ee47f73082b5e9f17..fd62b9f075ddd53b164d2425aec43af88489b4f5 100644
--- a/common/GlobalOptions.cc
+++ b/common/GlobalOptions.cc
@@ -484,6 +484,7 @@ bool defaultPerspectiveProjectionMode(int _viewer){
       return OpenFlipperSettings().value(entry,false).toBool();
     default:
       std::cerr << "defaultProjectionMode: illegal viewer id: " << _viewer << std::endl;
+      break;
   }
 
   return true;
diff --git a/widgets/glWidget/QtBaseViewer.cc b/widgets/glWidget/QtBaseViewer.cc
index b557c5cbc2fe208b5f5a4b2ef0bb5bb060a0308e..49dcbbe4c80d0f9ee8af916ba72067374bb076fc 100644
--- a/widgets/glWidget/QtBaseViewer.cc
+++ b/widgets/glWidget/QtBaseViewer.cc
@@ -1714,13 +1714,12 @@ void glViewer::handleNormalNavigation( QMouseEvent* _event ) {
         else if ((_event->buttons() & Qt::MidButton) || (!allowRotation_ && (_event->buttons() & Qt::LeftButton))  ) {
           
           ACG::Vec3d translation;
-          double value_x, value_y;
           
+
           // if start depth is 1, no object was hit when starting translation
           if ( startDepth_ == 1 ) {
-            
-            value_x = properties_.sceneRadius() * ((newPoint2D.x() - lastPoint2D_.x())) * 2.0 / (double) glWidth();
-            value_y = properties_.sceneRadius() * ((newPoint2D.y() - lastPoint2D_.y())) * 2.0 / (double) glHeight();
+            double value_x = properties_.sceneRadius() * ((newPoint2D.x() - lastPoint2D_.x())) * 2.0 / (double) glWidth();
+            double value_y = properties_.sceneRadius() * ((newPoint2D.y() - lastPoint2D_.y())) * 2.0 / (double) glHeight();
             translation = ACG::Vec3d(value_x * factor, -value_y * factor, 0.0);
             
           } else {
diff --git a/widgets/optionsWidget/ShortcutButton.cc b/widgets/optionsWidget/ShortcutButton.cc
index a4f39779ac3c413474299200c6caabb7f96557d7..de63f2350bbf333390c3866c1a574040e93f62d6 100644
--- a/widgets/optionsWidget/ShortcutButton.cc
+++ b/widgets/optionsWidget/ShortcutButton.cc
@@ -46,9 +46,13 @@
 #include <iostream>
 
 ///Constructor
-ShortcutButton::ShortcutButton(QWidget* _parent) : QPushButton(_parent)
+ShortcutButton::ShortcutButton(QWidget* _parent) :
+QPushButton(_parent),
+key_(-1),
+oldKey_(-1),
+checked_(false),
+firstPress_(true)
 {
-  key_ = -1;
   setCheckable(true);
 }