diff --git a/build-dist b/build-dist
index 4bde3c6..394bfd0 100755
--- a/build-dist
+++ b/build-dist
@@ -15,6 +15,7 @@ if [[ $(rustup toolchain list | grep -c stable) -eq 0 ]]; then
 fi
 cd $DIR/target
 curl -o core.tar.gz -L https://github.com/alexheretic/apart-core/archive/v$APART_CORE_VERSION.tar.gz
+echo '82fa2c04808c3f5e2caf1cf22b20797ba2d9510e2fa3f96cfabfdc0e3fee9f83 core.tar.gz' | sha256sum -c
 tar xf core.tar.gz
 (cd apart-core-$APART_CORE_VERSION && rustup run stable cargo build --release)
 cp apart-core-$APART_CORE_VERSION/target/release/apart-core lib/apart-gtk/
@@ -54,9 +55,8 @@ cp $DIR/icon/apart.svg share/icons/hicolor/scalable/apps/
 mkdir -p share/icons/hicolor/48x48/apps/
 cp $DIR/icon/apart.png share/icons/hicolor/48x48/apps/
 mkdir -p share/polkit-1/actions
-cp $DIR/misc/apart.policy share/polkit-1/actions/
+cp $DIR/misc/*.policy share/polkit-1/actions/
 mkdir -p bin
-cp $DIR/misc/apart-gtk-polkit bin/
 ln -s ../lib/apart-gtk/src/app.py bin/apart-gtk
 
 
diff --git a/misc/apart-gtk-polkit b/misc/apart-gtk-polkit
deleted file mode 100755
index 40e6aa3..0000000
--- a/misc/apart-gtk-polkit
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash
-if [ $(which pkexec) ]; then
-	pkexec --disable-internal-agent "/usr/bin/apart-gtk" "$@"
-else
-	/usr/bin/apart-gtk "$@"
-fi
diff --git a/misc/apart.desktop b/misc/apart.desktop
index 9b678a8..3786468 100644
--- a/misc/apart.desktop
+++ b/misc/apart.desktop
@@ -3,7 +3,7 @@ Name=Apart
 GenericName=Partition Clone, Backup And Restore
 X-GNOME-FullName=Apart Partition Clone, Backup And Restore
 Comment=Backup/Clone partition and restore from saved images
-Exec=/usr/bin/apart-gtk-polkit %f
+Exec=/usr/bin/apart-gtk %f
 Icon=apart
 Terminal=false
 Type=Application
diff --git a/misc/apart.policy b/misc/com.github.alexheretic.pkexec.apart-gtk.policy
similarity index 73%
rename from misc/apart.policy
rename to misc/com.github.alexheretic.pkexec.apart-gtk.policy
index 0aeb628..ecf91c9 100644
--- a/misc/apart.policy
+++ b/misc/com.github.alexheretic.pkexec.apart-gtk.policy
@@ -3,7 +3,7 @@
  "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN"
  "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
 <policyconfig>
-  <action id="apart">
+  <action id="com.github.alexheretic.pkexec.apart-gtk">
     <message>Authentication is required to run Apart</message>
     <icon_name>apart-gtk</icon_name>
     <defaults>
@@ -11,7 +11,6 @@
       <allow_inactive>auth_admin</allow_inactive>
       <allow_active>auth_admin</allow_active>
     </defaults>
-    <annotate key="org.freedesktop.policykit.exec.path">/usr/bin/apart-gtk</annotate>
-    <annotate key="org.freedesktop.policykit.exec.allow_gui">true</annotate>
+    <annotate key="org.freedesktop.policykit.exec.path">/usr/lib/apart-gtk/apart-core</annotate>
   </action>
 </policyconfig>
diff --git a/src/apartcore.py b/src/apartcore.py
index e44be9a..b539b30 100644
--- a/src/apartcore.py
+++ b/src/apartcore.py
@@ -56,10 +56,17 @@ def __init__(self, listeners: List[MessageListener] = None):
         # Current default is apart-core binary stored in the directory above these sources
         apart_core_cmd = os.environ.get('APART_GTK_CORE_CMD') or \
             os.path.dirname(os.path.realpath(__file__)) + '/../apart-core'
+
         try:
-            self.process = subprocess.Popen([apart_core_cmd, self.ipc_address])
+            if os.geteuid() == 0:
+                self.process = subprocess.Popen([apart_core_cmd, self.ipc_address])
+            else:
+                self.process = subprocess.Popen(['pkexec', apart_core_cmd, self.ipc_address])
         except FileNotFoundError:
-            sys.stderr.write('apart-core command not found at \'' + apart_core_cmd + '\'')
+            if os.geteuid() == 0:
+                print('apart-core command not found at \'' + apart_core_cmd + '\'', file=sys.stderr)
+            else:
+                print('pkexec command not found, install polkit or run as root', file=sys.stderr)
             self.zmq_context.destroy()
             sys.exit(1)
 
diff --git a/src/app.py b/src/app.py
index 5186557..12a2643 100755
--- a/src/app.py
+++ b/src/app.py
@@ -12,7 +12,7 @@
 
 
 # App versions, "major.minor", major => new stuff, minor => fixes
-__version__ = '0.2'
+__version__ = '0.3'
 
 
 class LoadingBody(Gtk.Grid):
@@ -63,11 +63,6 @@ def on_delete(self, arg1=None, arg2=None):
 
 
 def main():
-    if os.getuid() != 0 and os.environ.get('APART_GTK_NON_ROOT') != 'Y':
-        # Normally it only makes sense to run apart->partclone as root
-        # Use APART_GTK_NON_ROOT=Y if otherwise
-        print('Root privileges are required to clone & restore partitions', file=sys.stderr)
-        sys.exit(1)
     win = Window()
     win.connect("delete-event", Gtk.main_quit)
 
diff --git a/start-test-app b/start-test-app
index 00fcfa7..05ab0cf 100755
--- a/start-test-app
+++ b/start-test-app
@@ -1,13 +1,15 @@
 #!/usr/bin/env bash
 
-if [ ! -f apart-core/target/debug/apart-core ]; then
-  (cd apart-core && cargo build)
+set -eu
+dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+if [ ! -f $dir/apart-core/target/debug/apart-core ]; then
+  (cd $dir/apart-core && cargo build)
 fi
 
 RUST_BACKTRACE=1 \
-  APART_GTK_NON_ROOT=Y \
-  APART_PARTCLONE_CMD=/home/alex/project/apart-gtk/test/mockpcl \
-  APART_GTK_CORE_CMD=apart-core/target/debug/apart-core \
+  APART_PARTCLONE_CMD=$dir/test/mockpcl \
+  APART_GTK_CORE_CMD=$dir/apart-core/target/debug/apart-core \
   RUST_LOG=info \
-  APART_LSBLK_CMD=/home/alex/project/apart-gtk/test/mocklsblk \
-  ./src/app.py
+  APART_LSBLK_CMD=$dir/test/mocklsblk \
+  $dir/src/app.py
diff --git a/test/mockpcl b/test/mockpcl
index 8c960d9..2eeef8c 100755
--- a/test/mockpcl
+++ b/test/mockpcl
@@ -26,7 +26,7 @@ print('File system:  raw', file=sys.stderr)
 print('Device size:   32.2 GB = 62914560 Blocks', file=sys.stderr)
 print('Space in use:  32.2 GB = 62914560 Blocks', file=sys.stderr)
 print('Free Space:     0 Byte = 0 Blocks', file=sys.stderr)
-print('Block size:   512 Byte', file=sys.stderr)
+print('Block size:   512 Byte', file=sys.stderr, flush=True)
 
 
 def print_progress(remaining: timedelta, complete: float, rate: str):
@@ -35,11 +35,7 @@ def print_progress(remaining: timedelta, complete: float, rate: str):
                                                                                                           rate=rate),
           file=sys.stderr)
     print(r'current block:    3878912, total block:   62914560, Complete:   {complete:.2f}'.format(complete=complete),
-          file=sys.stderr)
-
-# def print_move_term_up2():
-#     print(r'\033[2A', file=sys.stderr, end='')
-
+          file=sys.stderr, flush=True)
 
 for loop in range(loops):
     remaining_secs = loops - loop - 1
@@ -52,7 +48,7 @@ for loop in range(loops):
         sleep(1)
 
 print('Total Time: 00:00:58, Ave. Rate:   33.3GB/min, 100.00% completed!', file=sys.stderr)
-print('Syncing... ', file=sys.stderr, end='')
+print('Syncing... ', file=sys.stderr, end='', flush=True)
 if args.o:
     sleep(2)  # simulate restore syncing time
 else:
diff --git a/v0.1.0.tar.gz b/v0.1.0.tar.gz
new file mode 100644
index 0000000..47f4b38
Binary files /dev/null and b/v0.1.0.tar.gz differ