diff --git a/core/src/main/groovy/com/muwire/core/download/DownloadSession.groovy b/core/src/main/groovy/com/muwire/core/download/DownloadSession.groovy
index 0697548d..3c4d74ac 100644
--- a/core/src/main/groovy/com/muwire/core/download/DownloadSession.groovy
+++ b/core/src/main/groovy/com/muwire/core/download/DownloadSession.groovy
@@ -196,7 +196,7 @@ class DownloadSession {
             
         long interval = timestamps.last - timestamps[idx]
         if (interval == 0) 
-            interval = 0.001
+            interval = 1
         for (int i = idx; i < SAMPLES; i++)
             totalRead += reads[idx]
         (int)(totalRead * 1000.0 / interval)