diff --git a/posix/tst-execle1.c b/posix/tst-execle1.c
index adea0a8d46..bacf51b1a2 100644
--- a/posix/tst-execle1.c
+++ b/posix/tst-execle1.c
@@ -6,8 +6,9 @@ static int
 do_test (void)
 {
   static const char prog[] = "does-not-exist";
+  char *env [] = {"FOO=BAR", NULL};
   errno = 0;
-  execle (prog, prog, NULL, "FOO=BAR", NULL);
+  execle (prog, prog, NULL, env);
 
   if (errno != ENOENT)
     {
diff --git a/posix/tst-execle2.c b/posix/tst-execle2.c
index fb9b09b423..002d4c938f 100644
--- a/posix/tst-execle2.c
+++ b/posix/tst-execle2.c
@@ -45,8 +45,9 @@ prepare (int argc, char *argv[])
 static int
 do_test (void)
 {
+  char *env[] = {"FOO=BAR", NULL};
   errno = 0;
-  execle (copy, copy, NULL, "FOO=BAR", NULL);
+  execle (copy, copy, NULL, env);
 
   if (errno != EACCES)
     {