diff --git a/com.oracle.truffle.r.native/run/Rscript_exec.sh b/com.oracle.truffle.r.native/run/Rscript_exec.sh
index fab2fc1f0ef8b1afbf862a04abbdfa7f782b76f5..950435e34dc03d991b00facbfa3450db7d2f56af 100644
--- a/com.oracle.truffle.r.native/run/Rscript_exec.sh
+++ b/com.oracle.truffle.r.native/run/Rscript_exec.sh
@@ -42,4 +42,4 @@ else
     mx=`which mx`
 fi
 
-exec $mx $MX_R_GLOBAL_ARGS Rscript $MX_R_CMD_ARGS "$@"
+exec $mx --primary-suite-path $PRIMARY_PATH $MX_R_GLOBAL_ARGS Rscript $MX_R_CMD_ARGS "$@"