diff --git a/client/src/cmdlfcotag.c b/client/src/cmdlfcotag.c
index a85ff8c3c..c339f677a 100644
--- a/client/src/cmdlfcotag.c
+++ b/client/src/cmdlfcotag.c
@@ -170,5 +170,5 @@ int CmdLFCOTAG(const char *Cmd) {
 }
 
 int readCOTAGUid(void) {
-    return (CmdCOTAGReader("") == PM3_SUCCESS);
+    return (CmdCOTAGReader("-2") == PM3_SUCCESS);
 }