diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 86705c24..f5524810 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -47,7 +47,7 @@ char payload_str[100];
 
 void setup() {
 	
-  config_gpio()	
+  config_gpio();	
 
   mode = FSK; // AFSK;