diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 88523aa6c..5a465c2bd 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -1037,8 +1037,8 @@ static void PacketReceived(PacketCommandNG *packet) {
             em4x50_wipe((em4x50_data_t *)packet->data.asBytes);
             break;
         }
-        case CMD_LF_EM4X50_BRUTEFORCE: {
-            em4x50_bruteforce((em4x50_data_t *)packet->data.asBytes);
+        case CMD_LF_EM4X50_BRUTE: {
+            em4x50_brute((em4x50_data_t *)packet->data.asBytes);
             break;
         }
 #endif
diff --git a/armsrc/em4x50.h b/armsrc/em4x50.h
index 71e1371f6..db8235bca 100644
--- a/armsrc/em4x50.h
+++ b/armsrc/em4x50.h
@@ -22,6 +22,6 @@ void em4x50_write(em4x50_data_t *etd);
 void em4x50_write_password(em4x50_data_t *etd);
 void em4x50_read(em4x50_data_t *etd);
 void em4x50_wipe(em4x50_data_t *etd);
-void em4x50_bruteforce(em4x50_data_t *etd);
+void em4x50_brute(em4x50_data_t *etd);
 
 #endif /* EM4X50_H */
diff --git a/client/src/cmdlfem4x.c b/client/src/cmdlfem4x.c
index efc0bb322..b09f2f102 100644
--- a/client/src/cmdlfem4x.c
+++ b/client/src/cmdlfem4x.c
@@ -1398,7 +1398,7 @@ static command_t CommandTable[] = {
     {"4x50_write_password", CmdEM4x50WritePassword, IfPm3EM4x50, "change passwword of EM4x50 tag"},
     {"4x50_read",   CmdEM4x50Read,        IfPm3EM4x50,     "read word data from EM4x50"},
     {"4x50_wipe",   CmdEM4x50Wipe,        IfPm3EM4x50,     "wipe data from EM4x50"},
-    {"4x50_bruteforce", CmdEM4x50BruteForce, IfPm3EM4x50,  "guess password of EM4x50"},
+    {"4x50_brute",  CmdEM4x50Brute,       IfPm3EM4x50,     "guess password of EM4x50"},
     {NULL, NULL, NULL, NULL}
 };
 
diff --git a/client/src/cmdlfem4x50.c b/client/src/cmdlfem4x50.c
index a87ec2927..c0fc06e7b 100644
--- a/client/src/cmdlfem4x50.c
+++ b/client/src/cmdlfem4x50.c
@@ -97,16 +97,16 @@ static int usage_lf_em4x50_wipe(void) {
     PrintAndLogEx(NORMAL, "");
     return PM3_SUCCESS;
 }
-static int usage_lf_em4x50_bruteforce(void) {
+static int usage_lf_em4x50_brute(void) {
     PrintAndLogEx(NORMAL, "Guess password of EM4x50 tag. Tag must be on antenna. ");
     PrintAndLogEx(NORMAL, "");
-    PrintAndLogEx(NORMAL, "Usage:  lf em 4x50_bruteforce [h] f <pwd> l <pwd>");
+    PrintAndLogEx(NORMAL, "Usage:  lf em 4x50_brute [h] f <pwd> l <pwd>");
     PrintAndLogEx(NORMAL, "Options:");
     PrintAndLogEx(NORMAL, "       h         - this help");
     PrintAndLogEx(NORMAL, "       f <pwd>   - start password (hex, lsb notation)");
     PrintAndLogEx(NORMAL, "       l <pwd>   - stop password (hex, lsb notation)");
     PrintAndLogEx(NORMAL, "Examples:");
-    PrintAndLogEx(NORMAL, _YELLOW_("      lf em 4x50_bruteforce f 11200000 l 11300000"));
+    PrintAndLogEx(NORMAL, _YELLOW_("      lf em 4x50_brute f 11200000 l 11300000"));
     PrintAndLogEx(NORMAL, "");
     return PM3_SUCCESS;
 }
@@ -754,7 +754,7 @@ int CmdEM4x50Wipe(const char *Cmd) {
     return PM3_SUCCESS;
 }
 
-int CmdEM4x50BruteForce(const char *Cmd) {
+int CmdEM4x50Brute(const char *Cmd) {
 
     bool startpwd = false, stoppwd = false, errors = false;
     const int speed = 27;   // 27 passwords/second (empirical value)
@@ -767,7 +767,7 @@ int CmdEM4x50BruteForce(const char *Cmd) {
 
         switch (tolower(param_getchar(Cmd, cmdp))) {
             case 'h':
-                return usage_lf_em4x50_bruteforce();
+                return usage_lf_em4x50_brute();
             case 'f':
                 etd.start_password = param_get32ex(Cmd, cmdp + 1, 0, 16);
                 startpwd = true;
@@ -786,7 +786,7 @@ int CmdEM4x50BruteForce(const char *Cmd) {
     }
     
     if (errors || !startpwd || !stoppwd)
-        return usage_lf_em4x50_bruteforce();
+        return usage_lf_em4x50_brute();
 
     // print some information
     no_iter = etd.stop_password - etd.start_password + 1;
@@ -800,7 +800,7 @@ int CmdEM4x50BruteForce(const char *Cmd) {
 
     // start
     clearCommandBuffer();
-    SendCommandNG(CMD_LF_EM4X50_BRUTEFORCE, (uint8_t *)&etd, sizeof(etd));
+    SendCommandNG(CMD_LF_EM4X50_BRUTE, (uint8_t *)&etd, sizeof(etd));
     WaitForResponse(CMD_ACK, &resp);
 
     // print response
diff --git a/client/src/cmdlfem4x50.h b/client/src/cmdlfem4x50.h
index 6e1815c87..9a86adfed 100644
--- a/client/src/cmdlfem4x50.h
+++ b/client/src/cmdlfem4x50.h
@@ -24,6 +24,6 @@ int CmdEM4x50WritePassword(const char *Cmd);
 int CmdEM4x50Read(const char *Cmd);
 int CmdEM4x50Dump(const char *Cmd);
 int CmdEM4x50Wipe(const char *Cmd);
-int CmdEM4x50BruteForce(const char *Cmd);
+int CmdEM4x50Brute(const char *Cmd);
 
 #endif
diff --git a/include/pm3_cmd.h b/include/pm3_cmd.h
index f97be2a06..69a75a1ad 100644
--- a/include/pm3_cmd.h
+++ b/include/pm3_cmd.h
@@ -493,7 +493,7 @@ typedef struct {
 #define CMD_LF_EM4X50_WRITE_PASSWORD                                      0x0242
 #define CMD_LF_EM4X50_READ                                                0x0243
 #define CMD_LF_EM4X50_WIPE                                                0x0244
-#define CMD_LF_EM4X50_BRUTEFORCE                                          0x0245
+#define CMD_LF_EM4X50_BRUTE                                               0x0245
 // Sampling configuration for LF reader/sniffer
 #define CMD_LF_SAMPLING_SET_CONFIG                                        0x021D
 #define CMD_LF_FSK_SIMULATE                                               0x021E