diff --git a/pyzebra/app/cli.py b/pyzebra/app/cli.py
index 6a1d56ce7da75fb1d459861175f806c5adea7eb5..f101f9ff203f12321722b2999a46081a27f0fe75 100644
--- a/pyzebra/app/cli.py
+++ b/pyzebra/app/cli.py
@@ -4,7 +4,7 @@ import sys
 
 
 def main():
-    app_path = os.path.join(os.path.dirname(os.path.abspath(__file__)))
+    app_path = os.path.dirname(os.path.abspath(__file__))
     subprocess.run(["bokeh", "serve", app_path, *sys.argv[1:]], check=True)