diff --git a/bin/wally-tool-chain-install.sh b/bin/wally-tool-chain-install.sh
index 14012c644..e9465b058 100755
--- a/bin/wally-tool-chain-install.sh
+++ b/bin/wally-tool-chain-install.sh
@@ -5,8 +5,8 @@ export PATH=$PATH:$RISCV/bin
 
 set -e # break on error
 
-#NUM_THREADS=1 # for low memory machines > 8GiB
-NUM_THREADS=8  # for >= 32GiB
+NUM_THREADS=1 # for low memory machines > 16GiB
+#NUM_THREADS=8  # for >= 32GiB
 #NUM_THREADS=16  # for >= 64GiB
 
 sudo mkdir -p $RISCV