1 files changed, 2 insertions, 1 deletions

diff --git a/src/myriad.cpp b/src/myriad.cpp
index 9d7a849..748350c 100644
--- a/src/myriad.cpp
+++ b/src/myriad.cpp
@@ -555,6 +555,7 @@ int Bu::Myriad::streamAddBlock( Stream *pStream )
         int iBlock = findEmptyBlock();
         pStream->aBlocks.append( iBlock );
         bsBlockUsed.setBit( iBlock );
+        bHeaderChanged = true;
         iUsed++;
         return iBlock;
 }
@@ -569,7 +570,7 @@ void Bu::Myriad::setStreamSize( Stream *pStream, long iSize )
         {
                 // Shrink
                 for( int iNewSize = pStream->aBlocks.getSize()*iBlockSize;
-                         iNewSize-64 > iSize; iNewSize -= iBlockSize )
+                         iNewSize-iBlockSize > iSize; iNewSize -= iBlockSize )
                 {
                         if( bsBlockUsed.getBit( pStream->aBlocks.last() ) )
                                 iUsed--;