diff --git a/setup.py b/setup.py
index c4b80e1..5169090 100755
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@ except:
 
 setuptools.setup(
         name='warcprox',
-        version='2.4b2.dev152',
+        version='2.4b2.dev154',
         description='WARC writing MITM HTTP/S proxy',
         url='https://github.com/internetarchive/warcprox',
         author='Noah Levitt',
diff --git a/warcprox/writerthread.py b/warcprox/writerthread.py
index 4492965..a3eeedb 100644
--- a/warcprox/writerthread.py
+++ b/warcprox/writerthread.py
@@ -45,9 +45,12 @@ class WarcWriterProcessor(warcprox.BaseStandardPostfetchProcessor):
         self.batch = set()
 
     def _get_process_put(self):
-        recorded_url = self.inq.get(block=True, timeout=0.5)
-        self.batch.add(recorded_url)
-        self.pool.submit(self._process_url, recorded_url)
+        try:
+            recorded_url = self.inq.get(block=True, timeout=0.5)
+            self.batch.add(recorded_url)
+            self.pool.submit(self._process_url, recorded_url)
+        finally:
+            self.writer_pool.maybe_idle_rollover()
 
     def _process_url(self, recorded_url):
         try:
@@ -67,7 +70,6 @@ class WarcWriterProcessor(warcprox.BaseStandardPostfetchProcessor):
             self.batch.remove(recorded_url)
             if self.outq:
                 self.outq.put(recorded_url)
-            self.writer_pool.maybe_idle_rollover()
 
     def _filter_accepts(self, recorded_url):
         if not self.method_filter: