diff --git a/include/sys/syscall.h b/include/sys/syscall.h
index 6123c6822a..e3f0a78e51 100644
--- a/include/sys/syscall.h
+++ b/include/sys/syscall.h
@@ -315,7 +315,6 @@
 #  else
 #    define __SYS_fs_fdopen            (__SYS_mkfifo2+0)
 #  endif
-#  endif
 
 #  if CONFIG_NFILE_STREAMS > 0
 #    define SYS_fs_fdopen              (__SYS_fs_fdopen+0)
diff --git a/syscall/syscall_lookup.h b/syscall/syscall_lookup.h
index 5a6742d6a7..d625f7e19a 100644
--- a/syscall/syscall_lookup.h
+++ b/syscall/syscall_lookup.h
@@ -219,11 +219,11 @@ SYSCALL_LOOKUP(up_assert,                 2, STUB_up_assert)
   SYSCALL_LOOKUP(telldir,                 1, STUB_telldir)
 
 #  if defined(CONFIG_PIPES) && ONFIG_DEV_PIPE_SIZE > 0
-  SYSCALL_LOOKUP(mkfifo2,                 3, STUB_mkfifo2)
+  SYSCALL_LOOKUP(pipe2,                   2, STUB_pipe2)
 #  endif
 
 #  if defined(CONFIG_PIPES) && ONFIG_DEV_FIFO_SIZE > 0
-  SYSCALL_LOOKUP(pipe2,                   2, STUB_pipe2)
+  SYSCALL_LOOKUP(mkfifo2,                 3, STUB_mkfifo2)
 #  endif
 
 #  if CONFIG_NFILE_STREAMS > 0
diff --git a/syscall/syscall_stublookup.c b/syscall/syscall_stublookup.c
index 298ecc1a8e..a5cace0e37 100644
--- a/syscall/syscall_stublookup.c
+++ b/syscall/syscall_stublookup.c
@@ -228,9 +228,9 @@ uintptr_t STUB_stat(int nbr, uintptr_t parm1, uintptr_t parm2);
 uintptr_t STUB_statfs(int nbr, uintptr_t parm1, uintptr_t parm2);
 uintptr_t STUB_telldir(int nbr, uintptr_t parm1);
 
+uintptr_t STUB_pipe2(int nbr, uintptr_t parm1, uintptr_t parm2);
 uintptr_t STUB_mkfifo2(int nbr, uintptr_t parm1, uintptr_t parm2,
             uintptr_t parm3);
-uintptr_t STUB_pipe2(int nbr, uintptr_t parm1, uintptr_t parm2);
 
 uintptr_t STUB_fs_fdopen(int nbr, uintptr_t parm1, uintptr_t parm2,
             uintptr_t parm3);