diff --git a/rfb/CMsgWriter.cxx b/rfb/CMsgWriter.cxx
index c9912ce..fb272c4 100644
--- a/rfb/CMsgWriter.cxx
+++ b/rfb/CMsgWriter.cxx
@@ -78,7 +78,7 @@
   encodings[nEncodings++] = pseudoEncodingLastRect;
   if (cp->customCompressLevel && cp->compressLevel >= 0 && cp->compressLevel <= 9)
       encodings[nEncodings++] = pseudoEncodingCompressLevel0 + cp->compressLevel;
-  if (!cp->noJpeg && cp->qualityLevel >= 0 && cp->qualityLevel <= 9)
+  if (!cp->noJpeg && cp->qualityLevel >= 1 && cp->qualityLevel <= 9)
       encodings[nEncodings++] = pseudoEncodingQualityLevel0 + cp->qualityLevel;
 
   writeSetEncodings(nEncodings, encodings);
diff --git a/vncviewer/vncviewer.rc b/vncviewer/vncviewer.rc
index 5ec3510..636c297 100644
--- a/vncviewer/vncviewer.rc
+++ b/vncviewer/vncviewer.rc
@@ -199,7 +199,7 @@
     CONTROL         "Allow JPEG compression:",IDC_ALLOW_JPEG,"Button",
                     BS_AUTOCHECKBOX | WS_TABSTOP,10,126,96,10
     EDITTEXT        IDC_QUALITYLEVEL,25,137,15,12,ES_AUTOHSCROLL | ES_NUMBER
-    LTEXT           "quality (0=poor, 9=best)",IDC_STATIC,44,140,81,9
+    LTEXT           "quality (1=poor, 9=best)",IDC_STATIC,44,140,81,9
 
 END