diff --git a/main.ui b/main.ui
index 14eda25..fa0fe48 100644
--- a/main.ui
+++ b/main.ui
@@ -77,7 +77,7 @@
           </object>
           <packing>
             <property name="x">200</property>
-            <property name="y">310</property>
+            <property name="y">280</property>
           </packing>
         </child>
         <child>
@@ -91,7 +91,21 @@
           </object>
           <packing>
             <property name="x">200</property>
-            <property name="y">265</property>
+            <property name="y">235</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkCheckButton" id="portable">
+            <property name="label" translatable="yes">Portable</property>
+            <property name="height_request">35</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="receives_default">False</property>
+            <property name="draw_indicator">True</property>
+          </object>
+          <packing>
+            <property name="x">255</property>
+            <property name="y">318</property>
           </packing>
         </child>
       </object>
diff --git a/main.vala b/main.vala
index 63ad29c..0806ac8 100644
--- a/main.vala
+++ b/main.vala
@@ -91,10 +91,10 @@ int download () {
 		string pm;
 		Process.spawn_command_line_sync ("pkexec pacman -S yggdrasil --noconfirm", out pm);
 
-		if (pm == "bash: pacman: command not found\n") {
+		if (pm == "Cannot run program pacman: No such file or directory\n") {
 			
 			Process.spawn_command_line_sync ("wget https://2375-115685026-gh.circle-artifacts.com/0/yggdrasil-0.3.12-amd64.deb");
-			Process.spawn_command_line_sync ("dpkg -i yggdrasil-0.3.12-amd64.deb");
+			Process.spawn_command_line_sync ("pkexec dpkg -i yggdrasil-0.3.12-amd64.deb");
 
 		}
 
@@ -139,7 +139,7 @@ int stop () {
 	try {
 
 		Process.spawn_command_line_sync ("pkexec rc-service yggdrasil stop");
-		Process.spawn_command_line_sync ("systemctl stop yggdrasil");
+		Process.spawn_command_line_sync ("pkexec systemctl stop yggdrasil");
 
 	} catch (Error e) {
 
@@ -158,7 +158,7 @@ int start () {
 	try {
 
 		Process.spawn_command_line_sync ("pkexec rc-service yggdrasil start");
-		Process.spawn_command_line_sync ("systemctl start yggdrasil");
+		Process.spawn_command_line_sync ("pkexec systemctl start yggdrasil");
 
 	} catch (Error e) {