diff --git a/electron-builder.json b/electron-builder.json
index baecbb56ea2..0addff49a17 100644
--- a/electron-builder.json
+++ b/electron-builder.json
@@ -46,7 +46,8 @@
     "target": "deb",
     "category": "AudioVideo;Video",
     "desktop": {
-      "MimeType": "x-scheme-handler/lbry;"
+      "MimeType": "x-scheme-handler/lbry",
+      "Exec": "/opt/LBRY/lbry %U"
     }
   },
   "deb": {
diff --git a/src/main/createWindow.js b/src/main/createWindow.js
index 57d4594529c..27af06c386d 100644
--- a/src/main/createWindow.js
+++ b/src/main/createWindow.js
@@ -33,8 +33,11 @@ export default appState => {
   window.loadURL(rendererURL);
 
   let deepLinkingURI;
-  // Protocol handler for win32
-  if (process.platform === 'win32' && String(process.argv[1]).startsWith('lbry')) {
+  if (
+    (process.platform === 'win32' || process.platform === 'linux') &&
+    String(process.argv[1]).startsWith('lbry')
+  ) {
+    [, deepLinkingURI] = process.argv;
     // Keep only command line / deep linked arguments
     // Windows normalizes URIs when they're passed in from other apps. On Windows, this tries to
     // restore the original URI that was typed.
@@ -42,8 +45,10 @@ export default appState => {
     //     path, so we just strip it off.
     //   - In a URI with a claim ID, like lbry://channel#claimid, Windows interprets the hash mark as
     //     an anchor and converts it to lbry://channel/#claimid. We remove the slash here as well.
-    deepLinkingURI = process.argv[1].replace(/\/$/, '').replace('/#', '#');
-  } else if (process.platform === 'darwin') {
+    if (process.platform === 'win32') {
+      deepLinkingURI = deepLinkingURI.replace(/\/$/, '').replace('/#', '#');
+    }
+  } else {
     deepLinkingURI = appState.macDeepLinkingURI;
   }
 
diff --git a/src/main/index.js b/src/main/index.js
index 13381fc1c77..8b125042c85 100644
--- a/src/main/index.js
+++ b/src/main/index.js
@@ -218,16 +218,26 @@ process.on('uncaughtException', error => {
 
 // Force single instance application
 const isSecondInstance = app.makeSingleInstance(argv => {
-  // Protocol handler for win32
-  // argv: An array of the second instance’s (command line / deep linked) arguments
+  if (
+    (process.platform === 'win32' || process.platform === 'linux') &&
+    String(argv[1]).startsWith('lbry')
+  ) {
+    let URI = argv[1];
 
-  let URI;
-  if (process.platform === 'win32' && String(argv[1]).startsWith('lbry')) {
     // Keep only command line / deep linked arguments
-    URI = argv[1].replace(/\/$/, '').replace('/#', '#');
+    // Windows normalizes URIs when they're passed in from other apps. On Windows, this tries to
+    // restore the original URI that was typed.
+    //   - If the URI has no path, Windows adds a trailing slash. LBRY URIs can't have a slash with no
+    //     path, so we just strip it off.
+    //   - In a URI with a claim ID, like lbry://channel#claimid, Windows interprets the hash mark as
+    //     an anchor and converts it to lbry://channel/#claimid. We remove the slash here as well.
+    if (process.platform === 'win32') {
+      URI = URI.replace(/\/$/, '').replace('/#', '#');
+    }
+
+    rendererWindow.webContents.send('open-uri-requested', URI);
   }
 
-  rendererWindow.webContents.send('open-uri-requested', URI);
   rendererWindow.show();
 });