diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64143768e..95a5a39bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - **config** initial treecover on cropland starts from zero
 - **config** additional data update additional_data_rev4.53.tgz
 - **29_cropland** added option for linear and sigmoidal faders
+- **scripts** output/extra/highres.R use default 13_tc realization
 
 
 ### added
diff --git a/DESCRIPTION b/DESCRIPTION
index 5420bd36b..779c99c49 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -21,7 +21,7 @@ Imports:
     m4fsdp,
     madrat,
     magclass (>= 6.14.0),
-    magpie4 (>= 2.10.3),
+    magpie4 (>= 2.11.0),
     MagpieNCGains,
     magpiesets,
     mip,
diff --git a/modules/73_timber/default/equations.gms b/modules/73_timber/default/equations.gms
index 0b062cc87..dad60fffe 100644
--- a/modules/73_timber/default/equations.gms
+++ b/modules/73_timber/default/equations.gms
@@ -55,7 +55,7 @@ q73_prod_woodfuel(j2)..
 *' Production of residues is calculated based on `s73_residue_ratio`. This fraction
 *' of industrial roundwood production is assumed to be lost during harvesting processes.
 *' USDA reports that ca. 30% of roundwood harvested are residues (@oswalt2019forest).
-*' Not all of this residue is recoverwed from forest and we assume 50% of residue
+*' Not all of this residue is recovered from forest and we assume 50% of residue
 *' removal based on @pokharel2017factors. These numbers (residue levels and residude
 *' removals vary strongly among different studies, the numbers used here are from
 *' a USDA report on state of forests in USA which has consistent reporting over years)
diff --git a/scripts/output/extra/highres.R b/scripts/output/extra/highres.R
index ae270348a..3d93842c7 100644
--- a/scripts/output/extra/highres.R
+++ b/scripts/output/extra/highres.R
@@ -37,7 +37,10 @@ resultsarchive <- "/p/projects/rd3mod/models/results/magpie"
 # Load start_run(cfg) function which is needed to start MAgPIE runs
 source("scripts/start_functions.R")
 
-highres <- function(cfg) {
+# Plausible values for "res" (high resolution): "c1000" and "c2000"
+# Options for "tc" (13_tc realization): NULL (no change), "exo" and "endo_jan22"
+
+highres <- function(cfg = cfg, res = "c1000", tc = NULL) {
   #lock the model folder
   lockId <- gms::model_lock(timeout1 = 24)
   withr::defer(gms::model_unlock(lockId))
@@ -46,9 +49,6 @@ highres <- function(cfg) {
 
   cfg$output <- cfg$output[cfg$output!="extra/highres"]
 
-  # set high resolution, available options are c1000 and c2000
-  res <- "c1000"
-
   # search for matching high resolution file in repositories
   # pattern: "rev4.65_h12_*_cellularmagpie_c2000_MRI-ESM2-0-ssp370_lpjml-3eb70376.tgz"
   x <- unlist(strsplit(cfg$input["cellular"],"_"))
@@ -139,10 +139,12 @@ highres <- function(cfg) {
   f21_trade_balance <- toolAggregate(ov_prod_reg - (ov_supply + import_for_feasibility), supreg)
   write.magpie(f21_trade_balance, paste0("modules/21_trade/input/f21_trade_balance.cs3"))
 
-  #get tau from low resolution run with c200
-  ov_tau <- readGDX(gdx, "ov_tau",select=list(type="level"))
-  write.magpie(ov_tau,"modules/13_tc/input/f13_tau_scenario.csv")
-  cfg$gms$tc <- "exo"
+  if(!is.null(tc)) {
+    #get tau from low resolution run with c200
+    ov_tau <- readGDX(gdx, "ov_tau",select=list(type="level"))
+    write.magpie(ov_tau,"modules/13_tc/input/f13_tau_scenario.csv")
+    cfg$gms$tc <- tc
+  }
 
   #use exo trade and parallel optimization
   cfg$gms$trade <- "exo"