diff --git a/mx.fastr/copyrights/overrides b/mx.fastr/copyrights/overrides
index 39bdc1aaa7c197218691ebd726a6882c5860232d..80008d24f7a4a92d8c120b270066ec8342d740f2 100644
--- a/mx.fastr/copyrights/overrides
+++ b/mx.fastr/copyrights/overrides
@@ -193,6 +193,7 @@ com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RAccuracyInfo.java
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RDeparse.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RError.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/RErrorHandling.java,gnu_r.copyright
+com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/nodes/DuplicationHelper.java,purdue.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/rng/mm/MarsagliaMulticarry.java,gnu_r.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/rng/mt/MersenneTwister.java,hiroshima.copyright
 com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/rng/RNGInitAdapter.java,gnu_r.copyright