diff --git a/setup.py b/setup.py
index b420d89..a0cfe9d 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ plugin_license = "AGPLv3"
 plugin_requires = ["RPi.GPIO>=0.6",
 		    "Adafruit_DHT"]
 
-dditional_setup_parameters = {"Adafruit_DHT": ["https://github.com/adafruit/Adafruit_Python_DHT/archive/master.zip"]}
+additional_setup_parameters = {"Adafruit_DHT": ["https://github.com/adafruit/Adafruit_Python_DHT/archive/master.zip"]}
 
 #install_requires = requirements("requirements.txt")