diff --git a/lib/nexrad/station.py b/lib/nexrad/station.py
index d4383da..e50a029 100644
--- a/lib/nexrad/station.py
+++ b/lib/nexrad/station.py
@@ -28,7 +28,7 @@ def parse(text: str):
     match = RE_PARSE.match(text)
 
     if match is None:
-        raise Exception('Invalid coordinates \'%s\'' % text)
+        raise Exception("Invalid coordinates '%s'" % text)
 
     sign_lat = -1 if match[2] == 'S' else  1
     sign_lon =  1 if match[4] == 'E' else -1