diff --git a/gui/KCC-OSX.ui b/gui/KCC-OSX.ui
index 7000969..d77de0d 100644
--- a/gui/KCC-OSX.ui
+++ b/gui/KCC-OSX.ui
@@ -183,9 +183,9 @@
     <property name="geometry">
      <rect>
       <x>8</x>
-      <y>201</y>
+      <y>206</y>
       <width>151</width>
-      <height>34</height>
+      <height>26</height>
      </rect>
     </property>
     <property name="font">
@@ -200,14 +200,20 @@
     <property name="toolTip">
      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p style='white-space:pre'&gt;Target device.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
     </property>
+    <property name="iconSize">
+     <size>
+      <width>15</width>
+      <height>15</height>
+     </size>
+    </property>
    </widget>
    <widget class="QComboBox" name="FormatBox">
     <property name="geometry">
      <rect>
-      <x>262</x>
-      <y>201</y>
-      <width>152</width>
-      <height>34</height>
+      <x>263</x>
+      <y>206</y>
+      <width>151</width>
+      <height>26</height>
      </rect>
     </property>
     <property name="font">
@@ -222,6 +228,12 @@
     <property name="toolTip">
      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p style='white-space:pre'&gt;Output format.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
     </property>
+    <property name="iconSize">
+     <size>
+      <width>15</width>
+      <height>15</height>
+     </size>
+    </property>
    </widget>
    <widget class="QPushButton" name="ConvertButton">
     <property name="geometry">
diff --git a/kcc/KCC_ui_osx.py b/kcc/KCC_ui_osx.py
index 55f1a19..d5d2c53 100644
--- a/kcc/KCC_ui_osx.py
+++ b/kcc/KCC_ui_osx.py
@@ -85,21 +85,23 @@ class Ui_KCC(object):
         self.NoRotateBox.setObjectName("NoRotateBox")
         self.gridLayout.addWidget(self.NoRotateBox, 1, 2, 1, 1)
         self.DeviceBox = QtWidgets.QComboBox(self.Form)
-        self.DeviceBox.setGeometry(QtCore.QRect(8, 201, 151, 34))
+        self.DeviceBox.setGeometry(QtCore.QRect(8, 206, 151, 26))
         font = QtGui.QFont()
         font.setFamily("Lucida Grande")
         font.setPointSize(11)
         self.DeviceBox.setFont(font)
         self.DeviceBox.setFocusPolicy(QtCore.Qt.NoFocus)
         self.DeviceBox.setObjectName("DeviceBox")
+        self.DeviceBox.setIconSize(QtCore.QSize(15, 15))
         self.FormatBox = QtWidgets.QComboBox(self.Form)
-        self.FormatBox.setGeometry(QtCore.QRect(262, 201, 152, 34))
+        self.FormatBox.setGeometry(QtCore.QRect(263, 206, 151, 26))
         font = QtGui.QFont()
         font.setFamily("Lucida Grande")
         font.setPointSize(11)
         self.FormatBox.setFont(font)
         self.FormatBox.setFocusPolicy(QtCore.Qt.NoFocus)
         self.FormatBox.setObjectName("FormatBox")
+        self.FormatBox.setIconSize(QtCore.QSize(15, 15))
         self.ConvertButton = QtWidgets.QPushButton(self.Form)
         self.ConvertButton.setGeometry(QtCore.QRect(160, 200, 101, 41))
         font = QtGui.QFont()