diff --git a/build-scripts/wikiheaders.pl b/build-scripts/wikiheaders.pl
index 050dd3cb..6e421970 100755
--- a/build-scripts/wikiheaders.pl
+++ b/build-scripts/wikiheaders.pl
@@ -2318,19 +2318,19 @@ sub print_undocumented_section {
     open(FH, '<', "$srcpath/$versionfname") or die("Can't open '$srcpath/$versionfname': $!\n");
     my $majorver = 0;
     my $minorver = 0;
-    my $patchver = 0;
+    my $microver = 0;
     while (<FH>) {
         chomp;
         if (/$versionmajorregex/) {
             $majorver = int($1);
         } elsif (/$versionminorregex/) {
             $minorver = int($1);
-        } elsif (/$versionpatchregex/) {
-            $patchver = int($1);
+        } elsif (/$versionmicroregex/) {
+            $microver = int($1);
         }
     }
     close(FH);
-    my $fullversion = "$majorver.$minorver.$patchver";
+    my $fullversion = "$majorver.$minorver.$microver";
 
     my $latex_fname = "$srcpath/$projectshortname.tex";
     my $latex_tmpfname = "$latex_fname.tmp";
@@ -2369,7 +2369,7 @@ sub print_undocumented_section {
 \\begin{document}
 \\frontmatter
 
-\\title{$projectfullname $majorver.$minorver.$patchver Reference Manual}
+\\title{$projectfullname $majorver.$minorver.$microver Reference Manual}
 \\author{The $projectshortname Developers}
 \\maketitle