diff --git a/boards/native/drivers/native-uart0.c b/boards/native/drivers/native-uart0.c
index ff4c1c1441..d58139aa7a 100644
--- a/boards/native/drivers/native-uart0.c
+++ b/boards/native/drivers/native-uart0.c
@@ -156,7 +156,7 @@ int init_unix_socket(void)
     else {
         snprintf(sa.sun_path, sizeof(sa.sun_path), "/tmp/riot.tty.%d", _native_pid);
     }
-    unlink(sa.sun_path); /* remove stale socket */
+    real_unlink(sa.sun_path); /* remove stale socket */
     if (bind(s, (struct sockaddr *)&sa, SUN_LEN(&sa)) == -1) {
         err(EXIT_FAILURE, "init_unix_socket: bind");
     }
@@ -183,11 +183,11 @@ void handle_uart_in(void)
         /* end of file / socket closed */
         if (_native_uart_conn != 0) {
             if (_native_null_out_file != -1) {
-                if (dup2(_native_null_out_file, STDOUT_FILENO) == -1) {
+                if (real_dup2(_native_null_out_file, STDOUT_FILENO) == -1) {
                     err(EXIT_FAILURE, "handle_uart_in: dup2(STDOUT_FILENO)");
                 }
             }
-            if (dup2(_native_null_in_pipe[0], STDIN_FILENO) == -1) {
+            if (real_dup2(_native_null_in_pipe[0], STDIN_FILENO) == -1) {
                 err(EXIT_FAILURE, "handle_uart_in: dup2(STDIN_FILENO)");
             }
             _native_uart_conn = 0;
@@ -221,10 +221,10 @@ void handle_uart_sock(void)
         warnx("handle_uart_sock: successfully accepted socket");
     }
 
-    if (dup2(s, STDOUT_FILENO) == -1) {
+    if (real_dup2(s, STDOUT_FILENO) == -1) {
         err(EXIT_FAILURE, "handle_uart_sock: dup2()");
     }
-    if (dup2(s, STDIN_FILENO) == -1) {
+    if (real_dup2(s, STDIN_FILENO) == -1) {
         err(EXIT_FAILURE, "handle_uart_sock: dup2()");
     }
     _native_syscall_leave();
diff --git a/cpu/native/include/native_internal.h b/cpu/native/include/native_internal.h
index 27befb3e7c..902d9e1fd6 100644
--- a/cpu/native/include/native_internal.h
+++ b/cpu/native/include/native_internal.h
@@ -61,6 +61,10 @@ extern void* (*real_realloc)(void *ptr, size_t size);
 extern int (*real_getpid)(void);
 extern int (*real_pipe)(int[2]);
 extern int (*real_close)(int);
+extern int (*real_fork)(void);
+extern int (*real_dup2)(int, int);
+extern int (*real_unlink)(const char *);
+extern int (*real_execve)(const char *, char *const[], char *const[]);
 
 /**
  * data structures
diff --git a/cpu/native/native_cpu.c b/cpu/native/native_cpu.c
index d9874ec9fa..b146c7606f 100644
--- a/cpu/native/native_cpu.c
+++ b/cpu/native/native_cpu.c
@@ -69,7 +69,7 @@ int reboot_arch(int mode)
 
     printf("\n\n\t\t!! REBOOT !!\n\n");
 
-    if (execve(_native_argv[0], _native_argv, NULL) == -1) {
+    if (real_execve(_native_argv[0], _native_argv, NULL) == -1) {
         err(EXIT_FAILURE, "reboot: execve");
     }
 
diff --git a/cpu/native/net/tap.c b/cpu/native/net/tap.c
index 22a514f677..6acc0db076 100644
--- a/cpu/native/net/tap.c
+++ b/cpu/native/net/tap.c
@@ -153,7 +153,7 @@ void sigio_child()
 {
     pid_t parent = _native_pid;
 
-    if ((sigio_child_pid = fork()) == -1) {
+    if ((sigio_child_pid = real_fork()) == -1) {
         err(EXIT_FAILURE, "sigio_child: fork");
     }
 
diff --git a/cpu/native/startup.c b/cpu/native/startup.c
index 51c88bb3f1..e7cb1eb921 100644
--- a/cpu/native/startup.c
+++ b/cpu/native/startup.c
@@ -62,7 +62,7 @@ void _native_null_in(char *stdiotype)
         return;
     }
 
-    if (dup2(_native_null_in_pipe[0], STDIN_FILENO) == -1) {
+    if (real_dup2(_native_null_in_pipe[0], STDIN_FILENO) == -1) {
         err(EXIT_FAILURE, "_native_null_in: dup2(STDIN_FILENO)");
     }
 }
@@ -97,7 +97,7 @@ void _native_log_stdout(char *stdouttype)
         errx(EXIT_FAILURE, "_native_log_stdout: unknown log type");
     }
 
-    if (dup2(stdout_outfile, STDOUT_FILENO) == -1) {
+    if (real_dup2(stdout_outfile, STDOUT_FILENO) == -1) {
         err(EXIT_FAILURE, "_native_log_stdout: dup2(STDOUT_FILENO)");
     }
     _native_null_out_file = stdout_outfile;
@@ -132,14 +132,14 @@ void _native_log_stderr(char *stderrtype)
         errx(EXIT_FAILURE, "_native_log_stderr: unknown log type");
     }
 
-    if (dup2(stderr_outfile, STDERR_FILENO) == -1) {
+    if (real_dup2(stderr_outfile, STDERR_FILENO) == -1) {
         err(EXIT_FAILURE, "_native_log_stderr: dup2(STDERR_FILENO)");
     }
 }
 
 void daemonize(void)
 {
-    if ((_native_pid = fork()) == -1) {
+    if ((_native_pid = real_fork()) == -1) {
         err(EXIT_FAILURE, "daemonize: fork");
     }
 
@@ -201,6 +201,10 @@ __attribute__((constructor)) static void startup(int argc, char **argv)
     *(void **)(&real_getpid) = dlsym(RTLD_NEXT, "getpid");
     *(void **)(&real_pipe) = dlsym(RTLD_NEXT, "pipe");
     *(void **)(&real_close) = dlsym(RTLD_NEXT, "close");
+    *(void **)(&real_fork) = dlsym(RTLD_NEXT, "fork");
+    *(void **)(&real_dup2) = dlsym(RTLD_NEXT, "dup2");
+    *(void **)(&real_unlink) = dlsym(RTLD_NEXT, "unlink");
+    *(void **)(&real_execve) = dlsym(RTLD_NEXT, "execve");
 
     _native_argv = argv;
     _progname = argv[0];
diff --git a/cpu/native/syscalls.c b/cpu/native/syscalls.c
index fffca56a95..d784b8b2b9 100644
--- a/cpu/native/syscalls.c
+++ b/cpu/native/syscalls.c
@@ -56,6 +56,10 @@ void* (*real_calloc)(size_t nmemb, size_t size);
 void* (*real_realloc)(void *ptr, size_t size);
 int (*real_pipe)(int[2]);
 int (*real_close)(int);
+int (*real_fork)(void);
+int (*real_dup2)(int, int);
+int (*real_unlink)(const char *);
+int (*real_execve)(const char *, char *const[], char *const[]);
 
 void _native_syscall_enter(void)
 {