diff --git a/src/main.cpp b/src/main.cpp
index 88bcd68..1bcfc0c 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -47,7 +47,7 @@ void setup() {
     unsigned status;
 
      // default settings
-    status = bme.begin();  
+    status = bme.begin(0x77);  
     // You can also pass in a Wire library object like &Wire2
     // status = bme.begin(0x76, &Wire2)
     if (!status) {