2 files changed, 2 insertions, 0 deletions
diff --git a/posix/tst-rfc3484-2.c b/posix/tst-rfc3484-2.c
index 2536da8f87..ae802c0652 100644
--- a/posix/tst-rfc3484-2.c
+++ b/posix/tst-rfc3484-2.c
@@ -26,6 +26,7 @@ __idna_to_ascii_lz (const char *input, char **output, int flags)
 int
 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
 {
+  *output = NULL;
   return 0;
 }
 
diff --git a/posix/tst-rfc3484.c b/posix/tst-rfc3484.c
index 2e74e9737f..352a7579ac 100644
--- a/posix/tst-rfc3484.c
+++ b/posix/tst-rfc3484.c
@@ -26,6 +26,7 @@ __idna_to_ascii_lz (const char *input, char **output, int flags)
 int
 __idna_to_unicode_lzlz (const char *input, char **output, int flags)
 {
+  *output = NULL;
   return 0;
 }