diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 439173049f6f51c00e1cd6c7149c08ea3a85cd57..c3cf36f24223e7f2b397df9157087da31815870d 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -14542,7 +14542,7 @@ AST_TEST_DEFINE(test_voicemail_vm_info)
 
 	populate_defaults(vmu);
 
-	ast_copy_string(vmu->email, "vm-info-test@example.net", sizeof(vmu->email));
+	vmu->email = ast_strdup("vm-info-test@example.net");
 	ast_copy_string(vmu->fullname, "Test Framework Mailbox", sizeof(vmu->fullname));
 	ast_copy_string(vmu->pager, "vm-info-pager-test@example.net", sizeof(vmu->pager));
 	ast_copy_string(vmu->language, "en", sizeof(vmu->language));