diff --git a/common/rfb/IrixDMJpegCompressor.cxx b/common/rfb/IrixDMJpegCompressor.cxx
index 6e155ec..33397f6 100644
--- a/common/rfb/IrixDMJpegCompressor.cxx
+++ b/common/rfb/IrixDMJpegCompressor.cxx
@@ -35,9 +35,7 @@
 }
 
 //
-// Set JPEG quality level (1..100)
-//
-// FIXME: Call m_ic.setImageQuality() when necessary.
+// Set JPEG quality level (1..99)
 //
 
 void
@@ -45,11 +43,13 @@
 {
   if (level < 1) {
     level = 1;
-  } else if (level > 100) {
-    level = 100;
+  } else if (level > 99) {
+    level = 99;
   }
-
-  m_quality = level;
+  if (level != m_quality) {
+    m_quality = level;
+    m_ic.setImageQuality(level);
+  }
 }
 
 //