diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 912f5506..ae168125 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -5021,8 +5021,8 @@ void write_mode(int save_mode) {
 
 void start_clockgen() {
 	
-//  Wire1.setSDA(8);
-//  Wire1.setSCL(9);
+  Wire1.setSDA(SDA2);
+  Wire1.setSCL(SCL2);
   Wire1.begin();	
 
   if (clockgen.begin(&Wire1) != ERROR_NONE)