diff --git a/temp-calc.py b/temp-calc.py
index cabddd5..cfa3a4d 100755
--- a/temp-calc.py
+++ b/temp-calc.py
@@ -1,6 +1,6 @@
 # Specify the pin you'll be connecting the data/signal PIN of DHT11 to here:
 PIN = 16
-DPIN = "D" + PIN
+DPIN = "D" + str(PIN)
 
 import time
 from board import PIN # By default I'm using GPIO PIN 16