diff --git a/tests/fortify_test.cpp b/tests/fortify_test.cpp
index 8f66cc8..a349da9 100644
--- a/tests/fortify_test.cpp
+++ b/tests/fortify_test.cpp
@@ -645,6 +645,22 @@
   close(fd);
 }
 
+TEST_F(DEATHTEST, pwrite_fortified) {
+  char buf[1] = {0};
+  size_t ct = atoi("2"); // prevent optimizations
+  int fd = open("/dev/null", O_WRONLY);
+  ASSERT_FORTIFY(pwrite(fd, buf, ct, 0));
+  close(fd);
+}
+
+TEST_F(DEATHTEST, pwrite64_fortified) {
+  char buf[1] = {0};
+  size_t ct = atoi("2"); // prevent optimizations
+  int fd = open("/dev/null", O_WRONLY);
+  ASSERT_FORTIFY(pwrite64(fd, buf, ct, 0));
+  close(fd);
+}
+
 TEST_F(DEATHTEST, read_fortified) {
   char buf[1];
   size_t ct = atoi("2"); // prevent optimizations
@@ -653,6 +669,14 @@
   close(fd);
 }
 
+TEST_F(DEATHTEST, write_fortified) {
+  char buf[1] = {0};
+  size_t ct = atoi("2"); // prevent optimizations
+  int fd = open("/dev/null", O_WRONLY);
+  ASSERT_EXIT(write(fd, buf, ct), testing::KilledBySignal(SIGABRT), "");
+  close(fd);
+}
+
 TEST_F(DEATHTEST, fread_fortified) {
   char buf[1];
   size_t ct = atoi("2"); // prevent optimizations