diff --git a/client/proxmark3.c b/client/proxmark3.c
index 76048952f..d582bafc0 100644
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -169,7 +169,7 @@ check_script:
                 // remove linebreaks
                 strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));
 
-                cmd = strdup(script_cmd_buf);
+                cmd = str_dup(script_cmd_buf);
                 if (cmd != NULL)
                     printprompt = true;
             }
@@ -177,7 +177,7 @@ check_script:
             // If there is a script command
             if (execCommand) {
 
-                cmd = strdup(script_cmd);
+                cmd = str_dup(script_cmd);
                 if (cmd != NULL)
                     printprompt = true;
 
@@ -206,7 +206,7 @@ check_script:
                     // remove linebreaks
                     strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));
 
-                    cmd = strdup(script_cmd_buf);
+                    cmd = str_dup(script_cmd_buf);
                     if (cmd != NULL)
                         printprompt = true;
 
diff --git a/client/util.c b/client/util.c
index 41ee8f0d8..226255536 100644
--- a/client/util.c
+++ b/client/util.c
@@ -919,10 +919,10 @@ void strcreplace(char *buf, size_t len, char from, char to) {
 }
 
 
-char *strdup(const char *src) {
-    return strndup(src, strlen(src));
+char *str_dup(const char *src) {
+    return str_ndup(src, strlen(src));
 }
-char *strndup(const char *src, size_t len) {
+char *str_ndup(const char *src, size_t len) {
 
     char *dest = (char *) calloc(len + 1, sizeof(uint8_t));
     if (dest != NULL) {
diff --git a/client/util.h b/client/util.h
index b5a4be4a6..21db9198f 100644
--- a/client/util.h
+++ b/client/util.h
@@ -99,7 +99,7 @@ bool str_endswith(const char *s,  const char *suffix);    // check for suffix in
 void clean_ascii(unsigned char *buf, size_t len);
 void strcleanrn(char *buf, size_t len);
 void strcreplace(char *buf, size_t len, char from, char to);
-char *strdup(const char *src);
-char *strndup(const char *src, size_t len);
+char *str_dup(const char *src);
+char *str_ndup(const char *src, size_t len);
 int hexstring_to_u96(uint32_t *hi2, uint32_t *hi, uint32_t *lo, const char *str);
 #endif