--- a/netwerk/cache2/CacheFileInputStream.cpp
+++ b/netwerk/cache2/CacheFileInputStream.cpp
@@ -164,20 +164,16 @@ CacheFileInputStream::ReadSegments(nsWri
 
     if (!mChunk) {
       if (mListeningForChunk == -1) {
         return NS_OK;
       }
       return NS_BASE_STREAM_WOULD_BLOCK;
     }
 
-    if (aCount == 0) {
-      break;
-    }
-
     CacheFileChunkReadHandle hnd = mChunk->GetReadHandle();
     int64_t canRead = CanRead(&hnd);
     if (NS_FAILED(mStatus)) {
       return mStatus;
     }
 
     if (canRead < 0) {
       // file was truncated ???