diff --git a/schhist/schhist2web b/schhist/schhist2web
index cf57326..2dcadaf 100755
--- a/schhist/schhist2web
+++ b/schhist/schhist2web
@@ -385,6 +385,7 @@ EOF
 
 
 next="$head"
+td=false
 for n in `cd "$dir" && git rev-list $first..HEAD~1` $first; do
     [ -d "$cache/$n/ppm0" ] || continue
     empty=true
@@ -406,34 +407,37 @@ for n in `cd "$dir" && git rev-list $first..HEAD~1` $first; do
 	pdf="$out/$next/pdf/$m.pdf"
 
 	if [ "${order%%=$m[:=]*}" = "$order" ]; then
+	    $td && s="$s<TD>"
 	    td=true
-	else
-	    td=false
 	fi
 
 	if [ -f "$a0" -a -f "$b0" ]; then
-	    $td && s="$s<TD align=\"center\" valign=\"middle\">"
 	    if ! pngdiff cat "$diff" "$a1" "$b1" "$a0" "$b0"; then
+	        $td && s="$s<TD align=\"center\" valign=\"middle\">"
+	        td=false
 		s="$s<IMG src=\"unchanged.png\">"
 		continue
 	    fi
+	    $td && s="$s<TD>"
+	    td=false
 	    pngdiff shrink "$thumb" -f $THUMB_OPTS "$a2" "$b2" "$a0" "$b0" ||
 	      exit
 	    schps2pdf -T BEFORE -T AFTER -o "$pdf" "$aps" "$bps" || exit
 	elif [ -f "$a0" ]; then
 	    $td && s="$s<TD>"
+	    td=false
 	    pngdiff cat "$diff" -f -c 1,0,0 "$a1" "$a1" || exit
 	    pngdiff shrink "$thumb" -f $THUMB_OPTS -c 1,0,0 "$a2" "$a2" ||
 	      exit
 	    schps2pdf -T DELETED -o "$pdf" "$aps" || exit
 	elif [ -f "$b0" ]; then
 	    $td && s="$s<TD>"
+	    td=false
 	    pngdiff cat "$diff" -f -c 0,1,0 "$b1" "$b1" || exit
 	    pngdiff shrink "$thumb" -f $THUMB_OPTS -c 0,1,0 "$b2" "$b2" ||
 	      exit
 	    schps2pdf -T NEW -o "$pdf" "$bps" || exit
 	else
-	    $td && s="$s<TD>"
 	    continue
 	fi
 	echo "$s"
@@ -441,6 +445,7 @@ for n in `cd "$dir" && git rev-list $first..HEAD~1` $first; do
         wrapped_png "$out" "$next" "$m"
 	empty=false
     done < <(ordered_names)
+    $td && echo "<TD>"
     if ! $empty; then
  	echo "$s<TD valign=\"middle\">"
 	commit_entry "$dir" $next