diff --git a/Process.c b/Process.c
index 267d1733..1962c5d0 100644
--- a/Process.c
+++ b/Process.c
@@ -27,6 +27,11 @@ in the source distribution for its full text.
 #include <time.h>
 #include <assert.h>
 
+#ifdef __ANDROID__
+#define SYS_ioprio_get __NR_ioprio_get
+#define SYS_ioprio_set __NR_ioprio_set
+#endif
+
 // On Linux, this works only with glibc 2.1+. On earlier versions
 // the behavior is similar to have a hardcoded page size.
 #ifndef PAGE_SIZE
diff --git a/Process.h b/Process.h
index e1b7a8fa..ab7acb28 100644
--- a/Process.h
+++ b/Process.h
@@ -9,6 +9,11 @@ Released under the GNU GPL, see the COPYING file
 in the source distribution for its full text.
 */
 
+#ifdef __ANDROID__
+#define SYS_ioprio_get __NR_ioprio_get
+#define SYS_ioprio_set __NR_ioprio_set
+#endif
+
 // On Linux, this works only with glibc 2.1+. On earlier versions
 // the behavior is similar to have a hardcoded page size.
 #ifndef PAGE_SIZE