diff --git a/src/qml/UIComponents/SmoothButton.qml b/src/qml/UIComponents/SmoothButton.qml
index b7816d7..4d7caec 100644
--- a/src/qml/UIComponents/SmoothButton.qml
+++ b/src/qml/UIComponents/SmoothButton.qml
@@ -18,7 +18,7 @@ Control {
 
     contentItem: Image {
         id: buttonImage
-        smooth: true
+        smooth: false
         fillMode: Image.PreserveAspectFit
         sourceSize.height: Math.floor(root.parent.height / (appearance.themeName == "Niconico" ? 1.8 : 1.25))
         sourceSize.width: Math.floor(root.parent.height / (appearance.themeName == "Niconico" ? 1.8 : 1.25))
diff --git a/src/qml/UIComponents/VolumeSlider.qml b/src/qml/UIComponents/VolumeSlider.qml
index cee9747..d921358 100644
--- a/src/qml/UIComponents/VolumeSlider.qml
+++ b/src/qml/UIComponents/VolumeSlider.qml
@@ -1,5 +1,6 @@
 import QtQuick 2.0
 import QtQuick.Controls 2.3
+import player 1.0
 
 Slider {
     id: volumeBar