diff --git a/melib/src/backends.rs b/melib/src/backends.rs
index 9b86a24d..24a2d7f3 100644
--- a/melib/src/backends.rs
+++ b/melib/src/backends.rs
@@ -156,7 +156,11 @@ impl Backends {
         }
         #[cfg(feature = "notmuch_backend")]
         {
-            if libloading::Library::new("libnotmuch.so.5").is_ok() {
+            #[cfg(not(target_os = "macos"))]
+            let dlpath = "libnotmuch.so.5";
+            #[cfg(target_os = "macos")]
+            let dlpath = "libnotmuch.5.dylib";
+            if libloading::Library::new(dlpath).is_ok() {
                 b.register(
                     "notmuch".to_string(),
                     Backend {
diff --git a/melib/src/backends/notmuch.rs b/melib/src/backends/notmuch.rs
index d2de9367..e131cef4 100644
--- a/melib/src/backends/notmuch.rs
+++ b/melib/src/backends/notmuch.rs
@@ -307,7 +307,11 @@ impl NotmuchDb {
         _is_subscribed: Box<dyn Fn(&str) -> bool>,
         event_consumer: BackendEventConsumer,
     ) -> Result<Box<dyn MailBackend>> {
-        let lib = Arc::new(libloading::Library::new("libnotmuch.so.5")?);
+        #[cfg(not(target_os = "macos"))]
+        let dlpath = "libnotmuch.so.5";
+        #[cfg(target_os = "macos")]
+        let dlpath = "libnotmuch.5.dylib";
+        let lib = Arc::new(libloading::Library::new(dlpath)?);
         let path = Path::new(s.root_mailbox.as_str()).expand();
         if !path.exists() {
             return Err(MeliError::new(format!(