diff --git a/openingithub/__init__.py b/openingithub/__init__.py
index 2b98962..ad9b98a 100644
--- a/openingithub/__init__.py
+++ b/openingithub/__init__.py
@@ -1,18 +1,23 @@
-from subprocess import Popen
-import platform
-from fman import DirectoryPaneCommand, show_alert, load_json
+import shutil
+import subprocess
+from fman import DirectoryPaneCommand, show_alert
 
-PLUGIN_SETTINGS = load_json("OpenInGithub Settings.json")[0]
-GITHUB_BINARY = PLUGIN_SETTINGS["github_binary"]
 
-class OpenInGithub(DirectoryPaneCommand):
-	def __call__(self):
-		file_under_cursor = self.pane.get_file_under_cursor()
-		if file_under_cursor:
-			if platform.system() == "Windows":
-				Popen('"%s" %s' % (GITHUB_BINARY, file_under_cursor), shell=True)
-			else:
-				Popen('%s "%s"' % (GITHUB_BINARY, file_under_cursor), shell=True)
+GITHUB_PATH = shutil.which("github")
+
+if GITHUB_PATH is None:
+    raise ValueError("Github command-line tool not found in PATH. Please install Github or add it to your PATH.")
 
-		else:
-			show_alert("No file selected.")
+class OpenInGithub(DirectoryPaneCommand):
+    def __call__(self):
+        file_under_cursor_unf = self.pane.get_file_under_cursor() 
+        file_under_cursor = file_under_cursor_unf if not file_under_cursor_unf.startswith("file://") else file_under_cursor_unf[7:]
+        
+        if not file_under_cursor:
+            show_alert("No file selected.")
+            return
+        try:
+            subprocess.run([GITHUB_PATH, file_under_cursor], shell=True)
+            
+        except subprocess.CalledProcessError:
+            show_alert("Failed to open file in Github.")