diff --git a/windec/kdecoration2/breezebutton.cpp b/windec/kdecoration2/breezebutton.cpp
index 5a2e899a..60d13c51 100644
--- a/windec/kdecoration2/breezebutton.cpp
+++ b/windec/kdecoration2/breezebutton.cpp
@@ -32,7 +32,6 @@ namespace Breeze
     Button::Button(KDecoration2::DecorationButtonType type, Decoration* decoration, QObject* parent)
         : DecorationButton(type, decoration, parent)
         , m_animation( new QPropertyAnimation( this ) )
-        , m_opacity(0)
     {
 
         // setup animation
@@ -62,7 +61,6 @@ namespace Breeze
         : DecorationButton(args.at(0).value<KDecoration2::DecorationButtonType>(), args.at(1).value<Decoration*>(), parent)
         , m_standalone(true)
         , m_animation( new QPropertyAnimation( this ) )
-        , m_opacity(0)
     {}
 
     //__________________________________________________________________
diff --git a/windec/kdecoration2/breezebutton.h b/windec/kdecoration2/breezebutton.h
index ec149abe..bd608c2d 100644
--- a/windec/kdecoration2/breezebutton.h
+++ b/windec/kdecoration2/breezebutton.h
@@ -92,7 +92,7 @@ namespace Breeze
         QPropertyAnimation *m_animation;
 
         //* active state change opacity
-        qreal m_opacity;
+        qreal m_opacity = 0;
     };
 
 } // namespace
diff --git a/windec/kdecoration2/breezedecoration.h b/windec/kdecoration2/breezedecoration.h
index 7101a33f..2ef76689 100644
--- a/windec/kdecoration2/breezedecoration.h
+++ b/windec/kdecoration2/breezedecoration.h
@@ -136,7 +136,7 @@ namespace Breeze
         QPropertyAnimation *m_animation;
 
         //* active state change opacity
-        qreal m_opacity;
+        qreal m_opacity = 0;
 
     };