diff --git a/src/command/build/runner.rs b/src/command/build/runner.rs
index b6ed39a..ecb97b8 100644
--- a/src/command/build/runner.rs
+++ b/src/command/build/runner.rs
@@ -4,23 +4,14 @@ use crate::blog_post::BlogPost;
 use crate::cli::parameters::BuildArgs;
 use crate::config::Config;
 use crate::error::CustomError;
-use walkdir::WalkDir;
 
 pub(crate) async fn build_site(args: BuildArgs) -> Result<(), CustomError> {
     let config = Config::load_from_file(args.config).await?;
     let root_directory = config.get_root_directory().to_owned();
     let output_directory = get_output_directory(&config).await?;
-    let post_directories = WalkDir::new(config.get_posts_directory())
-        .into_iter()
-        .filter(|e| match e {
-            Ok(entry) if entry.depth() == 1 && entry.file_type().is_dir() => true,
-            Ok(_) => false,
-            Err(_) => true,
-        })
-        .collect::<Result<Vec<_>, _>>()?;
+    let post_directories = get_post_directories(&config).await?;
     let load_jobs = post_directories
         .into_iter()
-        .map(walkdir::DirEntry::into_path)
         .map(|path| tokio::spawn(BlogPost::load_blog_post(root_directory.clone(), path)));
     let mut blog_posts = Vec::new();
     for job in load_jobs {
@@ -48,3 +39,15 @@ async fn get_output_directory(config: &Config) -> Result<PathBuf, CustomError> {
     }
     Ok(output_directory)
 }
+
+async fn get_post_directories(config: &Config) -> Result<Vec<PathBuf>, CustomError> {
+    let mut ret = Vec::new();
+    let mut entries = tokio::fs::read_dir(config.get_posts_directory()).await?;
+    while let Some(entry) = entries.next_entry().await? {
+        let file_type = entry.file_type().await?;
+        if file_type.is_dir() {
+            ret.push(entry.path());
+        }
+    }
+    Ok(ret)
+}