diff --git a/src/technitium.py b/src/technitium.py
index 217803f..b5994f4 100644
--- a/src/technitium.py
+++ b/src/technitium.py
@@ -6,7 +6,7 @@ from config import *
 session = requests.Session()
 
 def list_zones() -> list[dict]:
-    url = f"{TECHNITIUM_API_BASE.rstrip("/")}{LIST_ZONES_ENDPOINT}?token={API_TOKEN}"
+    url = f"{TECHNITIUM_API_BASE.rstrip('/')}{LIST_ZONES_ENDPOINT}?token={API_TOKEN}"
     logging.debug(f"Listing zones from {url}")
     r = session.get(url, timeout=15)
     r.raise_for_status()
@@ -23,7 +23,7 @@ def list_zones() -> list[dict]:
 
 
 def export_zone(zone_name) -> str:
-    url = f"{TECHNITIUM_API_BASE.rstrip("/")}{EXPORT_ZONE_ENDPOINT}?token={API_TOKEN}&zone={zone_name}"
+    url = f"{TECHNITIUM_API_BASE.rstrip('/')}{EXPORT_ZONE_ENDPOINT}?token={API_TOKEN}&zone={zone_name}"
     r = session.get(url, timeout=30)
     r.raise_for_status()
     return r.text
\ No newline at end of file