diff --git a/scripts/deployment/deploy-files-to-s3/deploy-files-to-s3.js b/scripts/deployment/deploy-files-to-s3/deploy-files-to-s3.js
index 1798711..5571317 100644
--- a/scripts/deployment/deploy-files-to-s3/deploy-files-to-s3.js
+++ b/scripts/deployment/deploy-files-to-s3/deploy-files-to-s3.js
@@ -70,10 +70,11 @@ async function main() {
 
   let errorCount = 0;
   const files = await readdir(sourcePath, IGNORED_PATHS);
+  const bareSourcePath = sourcePath.replace(/^\.\//, '');
   console.log(`Uploading ${ files.length } files.`);
   for (const file of files) {
     console.log(`Processing file "${ file }"...`);
-    const key = file.replace(sourcePath, '');
+    const key = file.replace(new RegExp(`^(\.\/)?${ bareSourcePath }(\/)?`), '');
     console.log(`Uploading to s3://${ key }...`);
     const result = await upload(client, bucket, file, key);
     if (!result) {
diff --git a/scripts/utilities/verify-files-changed.sh b/scripts/utilities/verify-files-changed.sh
index 0a83c62..388b85b 100755
--- a/scripts/utilities/verify-files-changed.sh
+++ b/scripts/utilities/verify-files-changed.sh
@@ -5,18 +5,19 @@ function main() {
   local -r base_directory="$1"
   local -r grep_pattern="$2"
   local -r current_hash="$(git rev-parse HEAD)"
-  local -r previous_hash="$(git rev-list --tags --max-count=1)"
-  local -r previous_parent_hash="$(git rev-list --tags --no-merges --max-count=1)"
-  local -r previous_version="$(git describe --abbrev=0 --tags --exact-match "$previous_hash")"
+  # Get the most recent tag, which does not contain HEAD.
+  local -r previous_tag="$(git --no-pager tag --sort='-authordate' --no-contains HEAD | head -n1)"
+  local -r previous_hash="$(git --no-pager tag --sort='-authordate' --no-contains HEAD --format '%(objectname)' | head -n1)"
 
-  echo "Most recent tag was $previous_version at commit $previous_hash"
+  echo "Most recent tag was $previous_tag at commit $previous_hash"
   echo "Complete changeset:"
 
-  git --no-pager diff --name-only "$previous_parent_hash..$current_hash"
+  # This is safe even if previous_tag is an empty string. git-diff will treat previous_tag as HEAD
+  git --no-pager diff --name-only "$previous_tag..$current_hash"
 
   echo ""
   echo "Looking for files in ./${base_directory}/ matching '${grep_pattern}'"
-  changeset="$(git --no-pager diff --name-only "$previous_parent_hash..$current_hash")"
+  changeset="$(git --no-pager diff --name-only "$previous_tag..$current_hash")"
   changeset="$(echo "$changeset" | grep -E "^$base_directory/.*")"
   changeset="$(echo "$changeset" | grep -E "$grep_pattern" || true)"