diff --git a/changes/ticket28010 b/changes/ticket28010
new file mode 100644
index 0000000000..4fca17d022
--- /dev/null
+++ b/changes/ticket28010
@@ -0,0 +1,3 @@
+  o Code simplification and refactoring:
+    - Fix shellcheck warnings in run_trunnel.sh. Resolves issue
+      28010.
diff --git a/scripts/codegen/run_trunnel.sh b/scripts/codegen/run_trunnel.sh
index 428804342a..645b3c2158 100755
--- a/scripts/codegen/run_trunnel.sh
+++ b/scripts/codegen/run_trunnel.sh
@@ -9,9 +9,7 @@ OPTIONS="--require-version=1.5.1"
 
 # Get all .trunnel files recursively from that directory so we can support
 # multiple sub-directories.
-for file in `find ./src/trunnel/ -name '*.trunnel'`; do
-  python -m trunnel ${OPTIONS} $file
-done
+find ./src/trunnel/ -name '*.trunnel' -exec python -m trunnel ${OPTIONS} {} \;
 
 python -m trunnel ${OPTIONS} --write-c-files --target-dir=./src/ext/trunnel/