diff --git a/build/deb-postinstall.tpl b/build/deb-postinstall.tpl
new file mode 100644
index 000000000..71c721860
--- /dev/null
+++ b/build/deb-postinstall.tpl
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+if type update-alternatives 2>/dev/null >&1; then
+    # Remove previous link if it doesn't use update-alternatives
+    if [ -L '/usr/bin/waveterm' -a -e '/usr/bin/waveterm' -a "`readlink '/usr/bin/waveterm'`" != '/etc/alternatives/waveterm' ]; then
+        rm -f '/usr/bin/waveterm'
+    fi
+    update-alternatives --install '/usr/bin/waveterm' 'waveterm' '/opt/Wave/waveterm' 100 || ln -sf '/opt/Wave/waveterm' '/usr/bin/waveterm'
+else
+    ln -sf '/opt/Wave/waveterm' '/usr/bin/waveterm'
+fi
+
+chmod 4755 '/opt/Wave/chrome-sandbox' || true
+
+if hash update-mime-database 2>/dev/null; then
+    update-mime-database /usr/share/mime || true
+fi
+
+if hash update-desktop-database 2>/dev/null; then
+    update-desktop-database /usr/share/applications || true
+fi
diff --git a/electron-builder.config.cjs b/electron-builder.config.cjs
index 506ff5310..ca953adda 100644
--- a/electron-builder.config.cjs
+++ b/electron-builder.config.cjs
@@ -67,6 +67,9 @@ const config = {
             category: "Development;Utility;",
         },
     },
+    deb: {
+        afterInstall: "build/deb-postinstall.tpl",
+    },
     win: {
         icon: "build/icons.icns",
         publisherName: "Command Line Inc",