diff --git a/client/src/cmdlf.c b/client/src/cmdlf.c
index 4999c4d1e..00f0dea27 100644
--- a/client/src/cmdlf.c
+++ b/client/src/cmdlf.c
@@ -217,7 +217,6 @@ static int usage_lf_simpsk(void) {
     return PM3_SUCCESS;
 }
 
-
 static int CmdLFTune(const char *Cmd) {
 
     CLIParserContext *ctx;
@@ -1250,7 +1249,20 @@ int CmdLFpskSim(const char *Cmd) {
 }
 
 int CmdLFSimBidir(const char *Cmd) {
-    (void)Cmd; // Cmd is not used so far
+
+    CLIParserContext *ctx;
+    CLIParserInit(&ctx, "lf simbidir",
+                  "Simulate LF tag with bidirectional data transmission between reader and tag",
+                  "lf simbidir"
+                 );
+
+    void *argtable[] = {
+        arg_param_begin,
+        arg_param_end
+    };
+    CLIExecWithReturn(ctx, Cmd, argtable, true);
+    CLIParserFree(ctx);
+
     // Set ADC to twice the carrier for a slight supersampling
     // HACK: not implemented in ARMSRC.
     PrintAndLogEx(INFO, "Not implemented yet.");
@@ -1591,7 +1603,7 @@ static command_t CommandTable[] = {
     {"simask",      CmdLFaskSim,        IfPm3Lf,         "Simulate " _YELLOW_("LF ASK tag") " from demodbuffer or input"},
     {"simfsk",      CmdLFfskSim,        IfPm3Lf,         "Simulate " _YELLOW_("LF FSK tag") " from demodbuffer or input"},
     {"simpsk",      CmdLFpskSim,        IfPm3Lf,         "Simulate " _YELLOW_("LF PSK tag") " from demodbuffer or input"},
-//    {"simpsk",      CmdLFnrzSim,        IfPm3Lf,         "Simulate " _YELLOW_("LF NRZ tag") " from demodbuffer or input"},
+//    {"simnrz",      CmdLFnrzSim,        IfPm3Lf,         "Simulate " _YELLOW_("LF NRZ tag") " from demodbuffer or input"},
     {"simbidir",    CmdLFSimBidir,      IfPm3Lf,         "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
     {"sniff",       CmdLFSniff,         IfPm3Lf,         "Sniff LF traffic between reader and tag"},
     {"tune",        CmdLFTune,          IfPm3Lf,         "Continuously measure LF antenna tuning"},