diff --git a/src/third_party/abseil-cpp/absl/base/internal/direct_mmap.h b/src/third_party/abseil-cpp/absl/base/internal/direct_mmap.h
index 274054cd5a..50f6584d54 100644
--- a/src/third_party/abseil-cpp/absl/base/internal/direct_mmap.h
+++ b/src/third_party/abseil-cpp/absl/base/internal/direct_mmap.h
@@ -41,7 +41,7 @@
 
 #ifdef __mips__
 // Include definitions of the ABI currently in use.
-#ifdef __BIONIC__
+#if defined(__BIONIC__) || defined(__MUSL__)
 // Android doesn't have sgidefs.h, but does have asm/sgidefs.h, which has the
 // definitions we need.
 #include <asm/sgidefs.h>
diff --git a/src/third_party/lss/linux_syscall_support.h b/src/third_party/lss/linux_syscall_support.h
index dd6c863c47..f6df5290d7 100644
--- a/src/third_party/lss/linux_syscall_support.h
+++ b/src/third_party/lss/linux_syscall_support.h
@@ -119,7 +119,7 @@ extern "C" {
 
 #ifdef __mips__
 /* Include definitions of the ABI currently in use.                          */
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || defined(__MUSL__)
 /* Android doesn't have sgidefs.h, but does have asm/sgidefs.h,
  * which has the definitions we need.
  */