diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md
index 3b72ec42d..1e8279137 100644
--- a/docs/release-notes/release-notes-0.18.3.md
+++ b/docs/release-notes/release-notes-0.18.3.md
@@ -73,6 +73,9 @@ would create a blinded route with a minHTLC greater than the actual payment
 amount. Moreover remove strict correlation between min_cltv_delta and the
 blinded path expiry.
 
+* [Fixed](https://github.com/lightningnetwork/lnd/pull/9021) an issue with some
+  command-line arguments not being passed when running `make itest-parallel`.
+
 # New Features
 ## Functional Enhancements
 ## RPC Additions
diff --git a/scripts/itest_parallel.sh b/scripts/itest_parallel.sh
index d981bb764..2ae7f3f53 100755
--- a/scripts/itest_parallel.sh
+++ b/scripts/itest_parallel.sh
@@ -3,8 +3,9 @@
 # Get all the variables.
 PROCESSES=$1
 TRANCHES=$2
-TEST_FLAGS=$3
-ITEST_FLAGS=$4
+
+# Here we also shift 2 times and get the rest of our flags to pass on in $@.
+shift 2
 
 # Create a variable to hold the final exit code.
 exit_code=0
@@ -12,7 +13,7 @@ exit_code=0
 # Run commands using xargs in parallel and capture their PIDs
 pids=()
 for ((i=0; i<PROCESSES; i++)); do 
-    scripts/itest_part.sh $i $TRANCHES $TEST_FLAGS $ITEST_FLAGS &
+    scripts/itest_part.sh $i $TRANCHES $@ &
     pids+=($!)
 done