diff --git a/mlibc/libc-mes.c b/mlibc/libc-mes.c
index a5f074fa..6eda30c4 100644
--- a/mlibc/libc-mes.c
+++ b/mlibc/libc-mes.c
@@ -45,7 +45,7 @@ write ()
   asm (".byte 0x8b 0x5d 0x08");                   // mov    0x8(%ebp),%ebx
   asm (".byte 0x8b 0x4d 0x0c");                   // mov    0xc(%ebp),%ecx
   asm (".byte 0x8b 0x55 0x10");                   // mov    0x10(%ebp),%edx
-              
+
   asm (".byte 0xb8 0x04 0x00 0x00 0x00");         // mov    $0x4,%eax
   asm (".byte 0xcd 0x80");                        // int    $0x80
 }
@@ -360,6 +360,7 @@ _env (char **e)
   return e;
 }
 
+int main(int,char*[]);
 int
 _start ()
 {
diff --git a/mlibc/mini-libc-mes.c b/mlibc/mini-libc-mes.c
index 9cc021bf..8fe9c595 100644
--- a/mlibc/mini-libc-mes.c
+++ b/mlibc/mini-libc-mes.c
@@ -18,6 +18,8 @@
  * along with Mes.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+int g_stdin = 0;
+
 void
 exit ()
 {
@@ -60,6 +62,7 @@ _env (char **e)
   return e;
 }
 
+int main(int,char*[]);
 int
 _start ()
 {
diff --git a/module/language/c99/compiler.mes b/module/language/c99/compiler.mes
index aba55d30..970430eb 100644
--- a/module/language/c99/compiler.mes
+++ b/module/language/c99/compiler.mes
@@ -2452,6 +2452,6 @@
 
 (define (alist-add a b)
   (let* ((b-keys (map car b))
-         (a (filter (lambda (f) (or (cdr f) (not (member f b-keys)))) a))
+         (a (filter (lambda (f) (or (cdr f) (not (member (car f) b-keys)))) a))
          (a-keys (map car a)))
     (append a (filter (lambda (e) (not (member (car e) a-keys))) b))))