diff --git a/include/android/compatibility.hxx b/include/android/compatibility.hxx
index a3fdb0d256b4..a60d59cfd653 100644
--- a/include/android/compatibility.hxx
+++ b/include/android/compatibility.hxx
@@ -20,6 +20,7 @@
 #include <math.h>
 
 #if defined(ARM)
+#include <stdlib.h>
 #include <string>
 #include <sstream>