diff --git a/colortables.cc b/colortables.cc
index 27ed613..c2e8783 100644
--- a/colortables.cc
+++ b/colortables.cc
@@ -82,12 +82,12 @@ const unsigned char coltab640[] = {
         /* 11111 */ 0xAA,0xAA,0xAA,0xAA,0xFF,0xFF,0xFF,0xFF
 };
 
-/* iters = number of iterations to do (must be > 0) */
+/* iters = number of iterations to do (0 means run to completion) */
 BOOLEAN MakeBigColorTables (unsigned int iters)
 {
     static unsigned int i = 0;
     unsigned int iMax = i + iters;
-    if (iMax < i)       /* Deal with wraparound */
+    if (iMax <= i)       /* Deal with wraparound */
         iMax = 0;
 
     /* The addressing scheme here depends on the IIgs's little-endianness */
diff --git a/vncsession.cc b/vncsession.cc
index 1ec94d6..17cf969 100644
--- a/vncsession.cc
+++ b/vncsession.cc
@@ -84,7 +84,7 @@ void DoConnect (void) {
 
     if (colorTablesComplete == FALSE) {
         DisplayConnectStatus("\pGenerating color tables...", FALSE);
-        MakeBigColorTables(65536);
+        MakeBigColorTables(0);
         colorTablesComplete = TRUE;
         CloseConnectStatusWindow();
     }