diff --git a/src/ui/startupdialog.ui b/src/ui/startupdialog.ui
index 4d3795b..6fb9d68 100644
--- a/src/ui/startupdialog.ui
+++ b/src/ui/startupdialog.ui
@@ -38,6 +38,9 @@
      </item>
      <item>
       <widget class="QPushButton" name="exploreDiskImageBtn">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
        <property name="text">
         <string>Explore Disk Image File ...</string>
        </property>
@@ -45,6 +48,9 @@
      </item>
      <item>
       <widget class="QPushButton" name="bootSectorCompareBtn">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
        <property name="text">
         <string>Boot Sector Comparison ...</string>
        </property>