diff --git a/main.c b/main.c
index 5ea7b652..626b3ef3 100644
--- a/main.c
+++ b/main.c
@@ -42,7 +42,7 @@ int main(int argc, char * argv[]) {
     printf("Pi Zero 2 detected");
   }
 	
-  printf("\n\nCubeSatSim v1.2 starting...\n\n");
+  printf("\n\nCubeSatSim v1.3b starting...\n\n");
 	
   FILE * rpitx_stop = popen("sudo systemctl stop rpitx", "r");
   pclose(rpitx_stop);