diff --git a/lib/nexrad/db.py b/lib/nexrad/db.py
index c7f8e60..e207ce8 100644
--- a/lib/nexrad/db.py
+++ b/lib/nexrad/db.py
@@ -108,8 +108,8 @@ class Database():
         db.row_factory = sqlite3.Row
         db.enable_load_extension(True)
 
-        db.execute('select load_extension("mod_spatialite.so.8")')
-        db.execute('select InitSpatialMetadata(1)')
+        db.execute("select load_extension('mod_spatialite.so.8')")
+        db.execute("select InitSpatialMetadata(1)")
 
         return Database(db)