diff --git a/libc/test/src/math/smoke/nan_test.cpp b/libc/test/src/math/smoke/nan_test.cpp
index 44ea1f7115aeb..68c844181a194 100644
--- a/libc/test/src/math/smoke/nan_test.cpp
+++ b/libc/test/src/math/smoke/nan_test.cpp
@@ -43,7 +43,7 @@ TEST_F(LlvmLibcNanTest, RandomString) {
   run_test("123 ", 0x7ff8000000000000);
 }
 
-#if defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
+#if !defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
 TEST_F(LlvmLibcNanTest, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nan(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }
diff --git a/libc/test/src/math/smoke/nanf128_test.cpp b/libc/test/src/math/smoke/nanf128_test.cpp
index 62c0292886bcd..015cc31e4be23 100644
--- a/libc/test/src/math/smoke/nanf128_test.cpp
+++ b/libc/test/src/math/smoke/nanf128_test.cpp
@@ -53,7 +53,7 @@ TEST_F(LlvmLibcNanf128Test, RandomString) {
            QUIET_NAN);
 }
 
-#if defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
+#if !defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
 #include <signal.h>
 TEST_F(LlvmLibcNanf128Test, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nanf128(nullptr); }, WITH_SIGNAL(SIGSEGV));
diff --git a/libc/test/src/math/smoke/nanf16_test.cpp b/libc/test/src/math/smoke/nanf16_test.cpp
index 6993f209b4e00..81b844bf6bb59 100644
--- a/libc/test/src/math/smoke/nanf16_test.cpp
+++ b/libc/test/src/math/smoke/nanf16_test.cpp
@@ -44,7 +44,7 @@ TEST_F(LlvmLibcNanf16Test, RandomString) {
   run_test("123 ", 0x7e00);
 }
 
-#if defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
+#if !defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
 TEST_F(LlvmLibcNanf16Test, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nanf16(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }
diff --git a/libc/test/src/math/smoke/nanf_test.cpp b/libc/test/src/math/smoke/nanf_test.cpp
index 3da1ec09967bd..ff5823685225c 100644
--- a/libc/test/src/math/smoke/nanf_test.cpp
+++ b/libc/test/src/math/smoke/nanf_test.cpp
@@ -42,7 +42,7 @@ TEST_F(LlvmLibcNanfTest, RandomString) {
   run_test("123 ", 0x7fc00000);
 }
 
-#if defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
+#if !defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
 TEST_F(LlvmLibcNanfTest, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nanf(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }
diff --git a/libc/test/src/math/smoke/nanl_test.cpp b/libc/test/src/math/smoke/nanl_test.cpp
index 6a3c11466f353..de9af05100c10 100644
--- a/libc/test/src/math/smoke/nanl_test.cpp
+++ b/libc/test/src/math/smoke/nanl_test.cpp
@@ -70,7 +70,7 @@ TEST_F(LlvmLibcNanlTest, RandomString) {
   run_test("123 ", expected);
 }
 
-#if defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
+#if !defined(LIBC_HAVE_ADDRESS_SANITIZER) && defined(LIBC_TARGET_OS_IS_LINUX)
 TEST_F(LlvmLibcNanlTest, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nanl(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }