diff --git a/src/bees-context.cc b/src/bees-context.cc
index ada5a1c..31e1b49 100644
--- a/src/bees-context.cc
+++ b/src/bees-context.cc
@@ -35,6 +35,7 @@ BeesFdCache::BeesFdCache()
 		BEESCOUNTADD(open_ino_ms, open_timer.age() * 1000);
 		return rv;
 	});
+	m_file_cache.max_size(BEES_FD_CACHE_SIZE);
 }
 
 Fd
diff --git a/src/bees.h b/src/bees.h
index 8c74ca2..0c685e2 100644
--- a/src/bees.h
+++ b/src/bees.h
@@ -81,6 +81,9 @@ const int BEES_PROGRESS_INTERVAL = 3600;
 // Status is output every freakin second.  Use a ramdisk.
 const int BEES_STATUS_INTERVAL = 1;
 
+// Number of FDs to open (not counting 100 roots)
+const size_t BEES_FD_CACHE_SIZE = 384;
+
 // Log warnings when an operation takes too long
 const double BEES_TOO_LONG = 2.5;