diff --git a/r/DESCRIPTION b/r/DESCRIPTION
index cfbb3231340..2fa9d87b427 100644
--- a/r/DESCRIPTION
+++ b/r/DESCRIPTION
@@ -22,6 +22,7 @@ Encoding: UTF-8
 Language: en-US
 LazyData: true
 SystemRequirements: C++11
+Biarch: true
 LinkingTo:
     Rcpp (>= 1.0.1)
 Imports: