diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index b046ea59..4182591b 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -276,9 +276,9 @@ void get_tlm_ao7() {
         channel, upper_digit(tlm[channel][3]), lower_digit(tlm[channel][3]),
         channel, upper_digit(tlm[channel][4]), lower_digit(tlm[channel][4]));
       //        printf("%s",tlm_str);
-//      strcat(str, tlm_str);
+        strcat(str, tlm_str);
     }
-    print_string(tlm_str);
+    print_string(str);
 	
 //  }	
 }