diff --git a/pyrelacs/dataio/nix_writer.py b/pyrelacs/dataio/nix_writer.py
index be84a79..6b437f0 100644
--- a/pyrelacs/dataio/nix_writer.py
+++ b/pyrelacs/dataio/nix_writer.py
@@ -18,20 +18,19 @@ class NixWriter:
         chunk = 1000
         log.debug("Starting the writing")
         self.write = True
-
-        total_count = self.buffer.totalcount()
         while self.write:
+            total_count = self.buffer.totalcount()
             if total_count - items >= chunk:
-                log.debug(items)
+                # log.debug(items)
                 try:
                     data, _ = self.buffer.read(items, extend=chunk)
                     self.data_array.append(data)
                 except IndexError as e:
-                    time.sleep(0.01)
+                    time.sleep(0.001)
                     log.debug(f"{e}")
                 items += chunk
             else:
-                time.sleep(0.01)
+                time.sleep(0.001)
                 continue
         log.debug("Stoppint the writing")
         log.debug(f"Samples written {items}")