diff --git a/SizeOfTest/SizeOfTest.ino b/SizeOfTest/SizeOfTest.ino
index 2fd01c3..0073f97 100644
--- a/SizeOfTest/SizeOfTest.ino
+++ b/SizeOfTest/SizeOfTest.ino
@@ -4,6 +4,9 @@ void setup() {
   Serial.print("Size of int: ");
   Serial.println(sizeof(int));
   
+  Serial.print("Size of long: ");
+  Serial.println(sizeof(long));
+  
   Serial.print("Size of float: ");
   Serial.println(sizeof(float));