diff --git a/packages/linux_make/pd-l2ork-debug.desktop b/packages/linux_make/pd-l2ork-debug.desktop
index af3ca6c1a06902da816059e8b45f9c68c0101ed0..0f992766b2b0e5222991e7d1497bf61663237865 100755
--- a/packages/linux_make/pd-l2ork-debug.desktop
+++ b/packages/linux_make/pd-l2ork-debug.desktop
@@ -1,10 +1,11 @@
 [Desktop Entry]
 Name=pd-l2ork DEBUG
 Comment=L2Ork Iteration of Pure-Data Interactive DSP Environment Tailored Specially Towards K12 Students
-Exec=bash -c "( echo r ; cat ) | gdb --args pd-l2ork -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi -d 3"
+Exec=bash -c "( echo r ; cat ) | gdb --args pd-l2ork -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi -d 3 %U"
 Terminal=true
 Type=Application
 Icon=pd-l2ork-red.xpm
+Categories=AudioVideo;Audio;
 X-Ayatana-Desktop-Shortcuts=ForceQuit
 
 [ForceQuit Shortcut Group]
diff --git a/packages/linux_make/pd-l2ork-k12-debug.desktop b/packages/linux_make/pd-l2ork-k12-debug.desktop
index c22cfe0de5ed0e1d7a0b872db0c330d36ab31ac5..3d9df40d18ee9e0dd45cb6d42b31208e1ac8d3f3 100755
--- a/packages/linux_make/pd-l2ork-k12-debug.desktop
+++ b/packages/linux_make/pd-l2ork-k12-debug.desktop
@@ -1,10 +1,11 @@
 [Desktop Entry]
 Name=pd-l2ork-k12 DEBUG
 Comment=L2Ork Iteration of Pure-Data Interactive DSP Environment Tailored Specially Towards K12 Students
-Exec=bash -c "( echo r ; cat ) | gdb --args pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi -d 3"
+Exec=bash -c "( echo r ; cat ) | gdb --args pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi -d 3 %U"
 Terminal=true
 Type=Application
 Icon=pd-l2ork-k12-red.xpm
+Categories=AudioVideo;Audio;
 X-Ayatana-Desktop-Shortcuts=ForceQuit
 
 [ForceQuit Shortcut Group]
diff --git a/packages/linux_make/pd-l2ork-k12.desktop b/packages/linux_make/pd-l2ork-k12.desktop
index a3c33f61cd7f48d70cb25a765cf613ea03953003..282212ac0104cc312b8cef0339335197f351646e 100755
--- a/packages/linux_make/pd-l2ork-k12.desktop
+++ b/packages/linux_make/pd-l2ork-k12.desktop
@@ -1,10 +1,11 @@
 [Desktop Entry]
 Name=pd-l2ork-k12
 Comment=L2Ork Iteration of Pure-Data Interactive DSP Environment Tailored Specially Towards K12 Students
-Exec=pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi
+Exec=pd-l2ork -k12 -noautopatch -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi %U
 Terminal=false
 Type=Application
 Icon=pd-l2ork-k12.xpm
+Categories=AudioVideo;Audio;
 X-Ayatana-Desktop-Shortcuts=ForceQuit
 
 [ForceQuit Shortcut Group]
diff --git a/packages/linux_make/pd-l2ork.desktop b/packages/linux_make/pd-l2ork.desktop
index dc7505aebacdf8a237923cd41738dd0b3a6e847b..6ac4074c839b8a66571ee1bc9de5aa3f9c40d71e 100755
--- a/packages/linux_make/pd-l2ork.desktop
+++ b/packages/linux_make/pd-l2ork.desktop
@@ -1,11 +1,13 @@
 [Desktop Entry]
 Name=pd-l2ork
 Comment=L2Ork Iteration of Pure-Data Interactive DSP Environment
-Exec=pd-l2ork -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi
+Exec=pd-l2ork -rt -jack -audiobuf 5 -inchannels 2 -outchannels 2 -alsamidi %U
 Terminal=false
 Type=Application
 Icon=pd-l2ork.xpm
 X-Ayatana-Desktop-Shortcuts=ForceQuit
+Categories=AudioVideo;Audio;
+MimeType=application/x-puredata;
 
 [ForceQuit Shortcut Group]
 Name=Force Quit Pd-L2Ork