diff --git a/ndk/platforms/android-3/include/unistd.h b/ndk/platforms/android-3/include/unistd.h
index 6d0515a04..25fc33484 100644
--- a/ndk/platforms/android-3/include/unistd.h
+++ b/ndk/platforms/android-3/include/unistd.h
@@ -126,7 +126,7 @@ extern loff_t lseek64(int, loff_t, int);
 extern ssize_t read(int, void *, size_t);
 extern ssize_t write(int, const void *, size_t);
 extern ssize_t pread(int, void *, size_t, off_t);
-extern ssize_t pwrite(int, void *, size_t, off_t);
+extern ssize_t pwrite(int, const void *, size_t, off_t);
 
 extern int dup(int);
 extern int dup2(int, int);
diff --git a/ndk/platforms/android-8/include/unistd.h b/ndk/platforms/android-8/include/unistd.h
index d64c971cd..863d56da7 100644
--- a/ndk/platforms/android-8/include/unistd.h
+++ b/ndk/platforms/android-8/include/unistd.h
@@ -130,7 +130,7 @@ extern loff_t lseek64(int, loff_t, int);
 extern ssize_t read(int, void *, size_t);
 extern ssize_t write(int, const void *, size_t);
 extern ssize_t pread(int, void *, size_t, off_t);
-extern ssize_t pwrite(int, void *, size_t, off_t);
+extern ssize_t pwrite(int, const void *, size_t, off_t);
 
 extern int dup(int);
 extern int dup2(int, int);
diff --git a/ndk/platforms/android-9/include/unistd.h b/ndk/platforms/android-9/include/unistd.h
index 29154a213..21154ad62 100644
--- a/ndk/platforms/android-9/include/unistd.h
+++ b/ndk/platforms/android-9/include/unistd.h
@@ -133,7 +133,7 @@ extern loff_t lseek64(int, loff_t, int);
 extern ssize_t read(int, void *, size_t);
 extern ssize_t write(int, const void *, size_t);
 extern ssize_t pread(int, void *, size_t, off_t);
-extern ssize_t pwrite(int, void *, size_t, off_t);
+extern ssize_t pwrite(int, const void *, size_t, off_t);
 
 extern int dup(int);
 extern int dup2(int, int);