diff --git a/ReactNativeClient/lib/BaseApplication.js b/ReactNativeClient/lib/BaseApplication.js
index f21845458..e59682fc6 100644
--- a/ReactNativeClient/lib/BaseApplication.js
+++ b/ReactNativeClient/lib/BaseApplication.js
@@ -170,6 +170,12 @@ class BaseApplication {
 				continue;
 			}
 
+			if (arg.indexOf('--remote-debugging-port=') === 0) {
+				// Electron-specific flag used for debugging - ignore it. Electron expects this flag in '--x=y' form, a single string.
+				argv.splice(0, 1);
+				continue;
+			}
+
 			if (arg.length && arg[0] == '-') {
 				throw new JoplinError(_('Unknown flag: %s', arg), 'flagError');
 			} else {