diff --git a/core/src/main/groovy/com/muwire/core/download/Pieces.groovy b/core/src/main/groovy/com/muwire/core/download/Pieces.groovy
index b0950f05..1c026d55 100644
--- a/core/src/main/groovy/com/muwire/core/download/Pieces.groovy
+++ b/core/src/main/groovy/com/muwire/core/download/Pieces.groovy
@@ -106,6 +106,7 @@ class Pieces {
 
     synchronized void clearAll() {
         done.clear()
+        cachedDone = 0
         claimed.clear()
         partials.clear()
     }