diff --git a/kaem.run b/kaem.run
index 703dd683..31452ee1 100644
--- a/kaem.run
+++ b/kaem.run
@@ -83,7 +83,7 @@ M2-Planet                                       \
     -f lib/linux/ioctl3.c                       \
     -f lib/m2/isatty.c                          \
     -f lib/linux/fork.c                         \
-    -f lib/m2/execve.c                          \
+    -f lib/linux/execve.c                       \
     -f lib/m2/execv.c                           \
     -f lib/m2/waitpid.c                         \
     -f lib/linux/gettimeofday.c                 \
diff --git a/lib/linux/execve.c b/lib/linux/execve.c
index 51c8b4ff..cd3ae1a9 100644
--- a/lib/linux/execve.c
+++ b/lib/linux/execve.c
@@ -1,6 +1,6 @@
 /* -*-comment-start: "//";comment-end:""-*-
  * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
+ * Copyright © 2016,2017,2018,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
  *
  * This file is part of GNU Mes.
  *
@@ -18,11 +18,15 @@
  * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <mes/lib.h>
 #include <linux/syscall.h>
 #include <syscall.h>
 
 int
-execve (char const *file_name, char *const argv[], char *const env[])
+execve (char const *file_name, char **argv, char **env)
 {
-  return _sys_call3 (SYS_execve, (long) file_name, (long) argv, (long) env);
+  long long_file_name = cast_voidp_to_long (file_name);
+  long long_argv = cast_voidp_to_long (argv);
+  long long_env = cast_voidp_to_long (env);
+  return _sys_call3 (SYS_execve, long_file_name, long_argv, long_env);
 }
diff --git a/lib/m2/execve.c b/lib/m2/execve.c
deleted file mode 100644
index 7fe7c9ba..00000000
--- a/lib/m2/execve.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/* -*-comment-start: "//";comment-end:""-*-
- * GNU Mes --- Maxwell Equations of Software
- * Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
- *
- * This file is part of GNU Mes.
- *
- * GNU Mes is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or (at
- * your option) any later version.
- *
- * GNU Mes is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/syscall.h>
-#include <syscall.h>
-
-int
-execve (char const *file_name, char **argv, char **env)
-{
-  long long_file_name = file_name;
-  long long_argv = argv;
-  long long_env = env;
-  return _sys_call3 (SYS_execve, file_name, argv, env);
-}
diff --git a/simple.make b/simple.make
index e8f3b977..6bea0644 100644
--- a/simple.make
+++ b/simple.make
@@ -122,7 +122,7 @@ M2_SOURCES =					\
  lib/linux/ioctl3.c  				\
  lib/m2/isatty.c				\
  lib/linux/fork.c				\
- lib/m2/execve.c				\
+ lib/linux/execve.c				\
  lib/m2/execv.c					\
  lib/m2/waitpid.c				\
  lib/linux/gettimeofday.c			\