diff --git a/src/provider.rs b/src/provider/mod.rs
similarity index 95%
rename from src/provider.rs
rename to src/provider/mod.rs
index aad647e..e9cec70 100644
--- a/src/provider.rs
+++ b/src/provider/mod.rs
@@ -10,36 +10,8 @@ use crate::traits::CompleteCalendar;
 use crate::item::SyncStatus;
 use crate::calendar::CalendarId;
 
-/// A counter of errors that happen during a sync
-struct SyncResult {
-    n_errors: u32,
-}
-impl SyncResult {
-    pub fn new() -> Self {
-        Self { n_errors: 0 }
-    }
-    pub fn is_success(&self) -> bool {
-        self.n_errors == 0
-    }
-
-    pub fn error(&mut self, text: &str) {
-        log::error!("{}", text);
-        self.n_errors += 1;
-    }
-    pub fn warn(&mut self, text: &str) {
-        log::warn!("{}", text);
-        self.n_errors += 1;
-    }
-    pub fn info(&mut self, text: &str) {
-        log::info!("{}", text);
-    }
-    pub fn debug(&mut self, text: &str) {
-        log::debug!("{}", text);
-    }
-    pub fn trace(&mut self, text: &str) {
-        log::trace!("{}", text);
-    }
-}
+mod sync_progress;
+use sync_progress::SyncResult;
 
 /// A data source that combines two `CalDavSource`s, which is able to sync both sources.
 ///
diff --git a/src/provider/sync_progress.rs b/src/provider/sync_progress.rs
new file mode 100644
index 0000000..1399233
--- /dev/null
+++ b/src/provider/sync_progress.rs
@@ -0,0 +1,30 @@
+/// A counter of errors that happen during a sync
+pub struct SyncResult {
+    n_errors: u32,
+}
+impl SyncResult {
+    pub fn new() -> Self {
+        Self { n_errors: 0 }
+    }
+    pub fn is_success(&self) -> bool {
+        self.n_errors == 0
+    }
+
+    pub fn error(&mut self, text: &str) {
+        log::error!("{}", text);
+        self.n_errors += 1;
+    }
+    pub fn warn(&mut self, text: &str) {
+        log::warn!("{}", text);
+        self.n_errors += 1;
+    }
+    pub fn info(&mut self, text: &str) {
+        log::info!("{}", text);
+    }
+    pub fn debug(&mut self, text: &str) {
+        log::debug!("{}", text);
+    }
+    pub fn trace(&mut self, text: &str) {
+        log::trace!("{}", text);
+    }
+}