diff --git a/include/private/ui/RegionHelper.h b/include/private/ui/RegionHelper.h
index a86c586..380e745 100644
--- a/include/private/ui/RegionHelper.h
+++ b/include/private/ui/RegionHelper.h
@@ -21,6 +21,8 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <limits>
+
 namespace android {
 // ----------------------------------------------------------------------------