Default compression level should be interpreted as high
diff --git a/common/rfb/EncodeManager.cxx b/common/rfb/EncodeManager.cxx
index 3142ec0..e632387 100644
--- a/common/rfb/EncodeManager.cxx
+++ b/common/rfb/EncodeManager.cxx
@@ -624,7 +624,7 @@
// Special exception inherited from the Tight encoder
if (activeEncoders[encoderFullColour] == encoderTightJPEG) {
- if (conn->cp.compressLevel < 2)
+ if ((conn->cp.compressLevel != -1) && (conn->cp.compressLevel < 2))
maxColours = 24;
else
maxColours = 96;