diff --git a/tests/math_test.cpp b/tests/math_test.cpp
index c53741c..76b5078 100644
--- a/tests/math_test.cpp
+++ b/tests/math_test.cpp
@@ -62,6 +62,7 @@
 #include <float.h>
 #include <limits.h>
 #include <stdint.h>
+#include <sys/cdefs.h>
 
 #include <android-base/scopeguard.h>
 
@@ -201,7 +202,7 @@
 }
 
 TEST(MATH_TEST, __fpclassifyd) {
-#if defined(__GLIBC__) || defined(MUSL)
+#if defined(__GLIBC__) || defined(ANDROID_HOST_MUSL)
 #define __fpclassifyd __fpclassify
 #endif
   ASSERT_EQ(FP_INFINITE, __fpclassifyd(HUGE_VAL));
@@ -246,7 +247,7 @@
 TEST(MATH_TEST, __isfinite) {
 #if defined(__GLIBC__)
 #define __isfinite __finite
-#elif defined(MUSL)
+#elif defined(ANDROID_HOST_MUSL)
 #define __isfinite isfinite
 #endif
   ASSERT_TRUE(__isfinite(123.0));
@@ -257,7 +258,7 @@
 TEST(MATH_TEST, __isfinitef) {
 #if defined(__GLIBC__)
 #define __isfinitef __finitef
-#elif defined(MUSL)
+#elif defined(ANDROID_HOST_MUSL)
 #define __isfinitef isfinite
 #endif
   ASSERT_TRUE(__isfinitef(123.0f));
@@ -268,7 +269,7 @@
 TEST(MATH_TEST, isfinitef) {
 #if defined(__GLIBC__)
 #define isfinitef __finitef
-#elif defined(MUSL)
+#elif defined(ANDROID_HOST_MUSL)
 #define isfinitef isfinite
 #endif
   ASSERT_TRUE(isfinitef(123.0f));
@@ -279,7 +280,7 @@
 TEST(MATH_TEST, __isfinitel) {
 #if defined(__GLIBC__)
 #define __isfinitel __finitel
-#elif defined(MUSL)
+#elif defined(ANDROID_HOST_MUSL)
 #define __isfinitel isfinite
 #endif
   ASSERT_TRUE(__isfinitel(123.0L));
@@ -290,7 +291,7 @@
 TEST(MATH_TEST, isfinitel) {
 #if defined(__GLIBC__)
 #define isfinitel __finitel
-#elif defined(MUSL)
+#elif defined(ANDROID_HOST_MUSL)
 #define isfinitel isfinite
 #endif
   ASSERT_TRUE(isfinitel(123.0L));
@@ -319,7 +320,7 @@
 extern "C" int isinfl(long double);
 
 TEST(MATH_TEST, __isinf) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define __isinf isinf
 #endif
   ASSERT_FALSE(__isinf(123.0));
@@ -328,7 +329,7 @@
 }
 
 TEST(MATH_TEST, __isinff) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define __isinff isinf
 #endif
   ASSERT_FALSE(__isinff(123.0f));
@@ -337,7 +338,7 @@
 }
 
 TEST(MATH_TEST, isinff) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define isinff isinf
 #endif
   ASSERT_FALSE(isinff(123.0f));
@@ -346,7 +347,7 @@
 }
 
 TEST(MATH_TEST, __isinfl) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define __isinfl isinf
 #endif
   ASSERT_FALSE(__isinfl(123.0L));
@@ -355,7 +356,7 @@
 }
 
 TEST(MATH_TEST, isinfl) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define isinfl isinf
 #endif
   ASSERT_FALSE(isinfl(123.0L));
@@ -377,7 +378,7 @@
 extern "C" int isnanl(long double);
 
 TEST(MATH_TEST, __isnan) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define __isnan isnan
 #endif
   ASSERT_FALSE(__isnan(123.0));
@@ -385,7 +386,7 @@
 }
 
 TEST(MATH_TEST, __isnanf) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define __isnanf isnan
 #endif
   ASSERT_FALSE(__isnanf(123.0f));
@@ -393,7 +394,7 @@
 }
 
 TEST(MATH_TEST, isnanf) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define isnanf isnan
 #endif
   ASSERT_FALSE(isnanf(123.0f));
@@ -401,7 +402,7 @@
 }
 
 TEST(MATH_TEST, __isnanl) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define __isnanl isnan
 #endif
   ASSERT_FALSE(__isnanl(123.0L));
@@ -409,7 +410,7 @@
 }
 
 TEST(MATH_TEST, isnanl) {
-#if defined(MUSL)
+#if defined(ANDROID_HOST_MUSL)
 #define isnanl isnan
 #endif
   ASSERT_FALSE(isnanl(123.0L));
@@ -1385,7 +1386,7 @@
 }
 
 TEST(MATH_TEST, significandl) {
-#if !defined(MUSL)
+#if !defined(ANDROID_HOST_MUSL)
   ASSERT_DOUBLE_EQ(0.0L, significandl(0.0L));
   ASSERT_DOUBLE_EQ(1.2L, significandl(1.2L));
   ASSERT_DOUBLE_EQ(1.53125L, significandl(12.25L));
@@ -1428,7 +1429,7 @@
 }
 
 TEST(MATH_TEST, gamma) {
-#if !defined(MUSL)
+#if !defined(ANDROID_HOST_MUSL)
   ASSERT_DOUBLE_EQ(log(24.0), gamma(5.0));
 #else
   GTEST_SKIP() << "musl doesn't have gamma";
@@ -1436,7 +1437,7 @@
 }
 
 TEST(MATH_TEST, gammaf) {
-#if !defined(MUSL)
+#if !defined(ANDROID_HOST_MUSL)
   ASSERT_FLOAT_EQ(logf(24.0f), gammaf(5.0f));
 #else
   GTEST_SKIP() << "musl doesn't have gammaf";