2 files changed, 2 insertions, 2 deletions

diff --git a/src/stable/myriad.cpp b/src/stable/myriad.cpp
index f9fcd3e..03cffa9 100644
--- a/src/stable/myriad.cpp
+++ b/src/stable/myriad.cpp
@@ -84,7 +84,7 @@ Bu::MyriadStream Bu::Myriad::open( Bu::Myriad::StreamId iStream,
     Bu::MutexLocker l( mhStream );
     if( (eMode&Create) )
     {
-        if( !hStream.has( iStream ) )
+        if( hStream.has( iStream ) )
         {
             if( (eMode&Exclusive) )
             {
diff --git a/src/stable/myriad.h b/src/stable/myriad.h
index 7f84c2a..6168aa2 100644
--- a/src/stable/myriad.h
+++ b/src/stable/myriad.h
@@ -45,7 +45,7 @@ namespace Bu
             Truncate    = 0x08, ///< Truncate file if it does exist
             Append      = 0x10, ///< Start writing at end of file
             //NonBlock    = 0x20, ///< Open file in non-blocking mode
-            Exclusive   = 0x44, ///< Create file, if it exists then fail
+            Exclusive   = 0x40, ///< Create file, if it exists then fail
 
             // Helpful mixes
             ReadWrite   = 0x03, ///< Open for reading and writing