--- /tails_installer/creator.py
+++ /tails_installer/creator.py
@@ -220,7 +220,7 @@
         raise NotImplementedError
 
     def update_system_partition_properties(self):
-        cmd = (  [ '/sbin/sgdisk' ]
+        cmd = (  [ '/usr/sbin/sgdisk' ]
                + [ '--typecode=1:%s' % ESP_GUID ]
                + [ self.drive['parent'] ])
         self.popen(cmd, shell=False)
@@ -235,7 +235,7 @@
         if not device:
             device = self.drive['device']
 
-        proc = self.popen(['/sbin/sgdisk', '--print', device], shell=False, passive=True)
+        proc = self.popen(['/usr/sbin/sgdisk', '--print', device], shell=False, passive=True)
         if proc.returncode:
             return False
         return True
@@ -249,7 +249,7 @@
         # understand... while we want to make it do this reset
         # precisely to fix that unreadable partition table issue.
         # Chicken'n'egg, right.
-        self.popen(['/sbin/sgdisk', '--zap-all', device],
+        self.popen(['/usr/sbin/sgdisk', '--zap-all', device],
                    shell=False, passive=True)
 
     def switch_drive_to_system_partition(self):