diff --git a/.github/workflows/docker-build-push.yaml b/.github/workflows/docker-build-push.yaml
index 5116a73c6..af79eada7 100644
--- a/.github/workflows/docker-build-push.yaml
+++ b/.github/workflows/docker-build-push.yaml
@@ -25,7 +25,7 @@ jobs:
         with:
           fetch-depth: 1
       - name: Inject slug/short variables
-        uses: rlespinasse/github-slug-action@v5.0.0
+        uses: rlespinasse/github-slug-action@v5.1.0
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
diff --git a/quartz.config.ts b/quartz.config.ts
index 6f3321160..78d1fae28 100644
--- a/quartz.config.ts
+++ b/quartz.config.ts
@@ -58,7 +58,7 @@ const config: QuartzConfig = {
     transformers: [
       Plugin.FrontMatter(),
       Plugin.CreatedModifiedDate({
-        priority: ["git", "frontmatter", "filesystem"],
+        priority: ["frontmatter", "git", "filesystem"],
       }),
       Plugin.SyntaxHighlighting({
         theme: {
diff --git a/quartz/components/pages/FolderContent.tsx b/quartz/components/pages/FolderContent.tsx
index e77565312..9621f4f1a 100644
--- a/quartz/components/pages/FolderContent.tsx
+++ b/quartz/components/pages/FolderContent.tsx
@@ -71,7 +71,7 @@ export default ((opts?: Partial<FolderContentOptions>) => {
                 if (child.data?.dates) {
                   // compare all dates and assign to maybeDates if its more recent or its not set
                   if (!maybeDates) {
-                    maybeDates = child.data.dates
+                    maybeDates = { ...child.data.dates }
                   } else {
                     if (child.data.dates.created > maybeDates.created) {
                       maybeDates.created = child.data.dates.created
diff --git a/quartz/plugins/transformers/lastmod.ts b/quartz/plugins/transformers/lastmod.ts
index aeabad19e..09c12941f 100644
--- a/quartz/plugins/transformers/lastmod.ts
+++ b/quartz/plugins/transformers/lastmod.ts
@@ -1,5 +1,4 @@
 import fs from "fs"
-import path from "path"
 import { Repository } from "@napi-rs/simple-git"
 import { QuartzTransformerPlugin } from "../types"
 import chalk from "chalk"
@@ -35,13 +34,23 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options>> = (u
       return [
         () => {
           let repo: Repository | undefined = undefined
+          if (opts.priority.includes("git")) {
+            try {
+              repo = Repository.discover(ctx.argv.directory)
+            } catch (e) {
+              console.log(
+                chalk.yellow(`\nWarning: couldn't find git repository for ${ctx.argv.directory}`),
+              )
+            }
+          }
+
           return async (_tree, file) => {
             let created: MaybeDate = undefined
             let modified: MaybeDate = undefined
             let published: MaybeDate = undefined
 
             const fp = file.data.relativePath!
-            const fullFp = path.posix.join(ctx.argv.directory, fp)
+            const fullFp = file.data.filePath!
             for (const source of opts.priority) {
               if (source === "filesystem") {
                 const st = await fs.promises.stat(fullFp)
@@ -51,21 +60,13 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options>> = (u
                 created ||= file.data.frontmatter.created as MaybeDate
                 modified ||= file.data.frontmatter.modified as MaybeDate
                 published ||= file.data.frontmatter.published as MaybeDate
-              } else if (source === "git") {
-                if (!repo) {
-                  // Get a reference to the main git repo.
-                  // It's either the same as the workdir,
-                  // or 1+ level higher in case of a submodule/subtree setup
-                  repo = Repository.discover(ctx.argv.directory)
-                }
-
+              } else if (source === "git" && repo) {
                 try {
                   modified ||= await repo.getFileLatestModifiedDateAsync(fullFp)
                 } catch {
                   console.log(
                     chalk.yellow(
-                      `\nWarning: ${file.data
-                        .filePath!} isn't yet tracked by git, last modification date is not available for this file`,
+                      `\nWarning: ${file.data.filePath!} isn't yet tracked by git, dates will be inaccurate`,
                     ),
                   )
                 }