diff --git a/src/adapter/configuration.ts b/src/adapter/configuration.ts
index f7fcb69..a6f3865 100644
--- a/src/adapter/configuration.ts
+++ b/src/adapter/configuration.ts
@@ -102,10 +102,10 @@ export async function parseConfiguration(
 				reloadTabs: (config.reloadOnAttach !== false)
 			};
 		}
-
 		let firefoxExecutable = await findFirefoxExecutable(config.firefoxExecutable);
 
-		let firefoxArgs: string[] = [ '-start-debugger-server', String(port), '-no-remote' ];
+		// Use '-new-instance' to launch a separate debugging instance
+		let firefoxArgs: string[] = [ '-start-debugger-server', String(port), '-new-instance' ];
 		if (config.firefoxArgs) {
 			firefoxArgs.push(...config.firefoxArgs);
 		}