diff --git a/src/count.rs b/src/count.rs
index 4a74b27..d663ed8 100644
--- a/src/count.rs
+++ b/src/count.rs
@@ -1,5 +1,5 @@
 use crate::error::Result;
-use std::{fs::read_dir, path::Path, result::Result as StdResult};
+use std::{fs::{read_dir, ReadDir}, path::Path, result::Result as StdResult, iter::once};
 
 #[instrument]
 pub(crate) fn count_repositories<P>(repo_path: P) -> Result<usize>
@@ -8,20 +8,17 @@ where
 {
     trace!("Counting repositories");
     std::fs::create_dir_all(&repo_path)?;
-    Ok(read_dir(repo_path)?
+    Ok(once(read_dir(repo_path)?)
+        .flat_map(sub_directories)
+        .flat_map(sub_directories)
+        .flat_map(sub_directories)
+        .count()
+    )
+}
+
+fn sub_directories(dir: ReadDir) -> impl Iterator<Item = ReadDir> {
+    dir
         .filter_map(StdResult::ok)
         .filter(|entry| entry.file_type().map(|ft| ft.is_dir()).unwrap_or(false))
-        .map(|entry| read_dir(entry.path()))
-        .filter_map(StdResult::ok)
-        .flat_map(|dir| {
-            dir.filter_map(StdResult::ok)
-                .filter(|entry| entry.file_type().map(|ft| ft.is_dir()).unwrap_or(false))
-        })
-        .map(|entry| read_dir(entry.path()))
-        .filter_map(StdResult::ok)
-        .flat_map(|dir| {
-            dir.filter_map(StdResult::ok)
-                .filter(|entry| entry.file_type().map(|ft| ft.is_dir()).unwrap_or(false))
-        })
-        .count())
+        .filter_map(|entry| read_dir(entry.path()).ok())
 }