diff --git a/tools/mkseqs.sh b/tools/mkseqs.sh
index f47b549..72c3a8b 100755
--- a/tools/mkseqs.sh
+++ b/tools/mkseqs.sh
@@ -3,11 +3,13 @@
 for foo in $*
 do
 
-	echo "++++" $foo "++++"| tee -a WS/log
-
-	tools/mkloop.sh 	$foo
-	tools/build-ega-mp4.sh	$foo 
-	tools/build-gif89a.sh	$foo 
+	if [ -r "$foo.pov" ] ; then
+		tools/mkloop.sh 	$foo
+		tools/build-ega-mp4.sh	$foo
+		tools/build-gif89a.sh	$foo
+	else
+		echo "+++ Beurking on $foo" | tee -a WS/log
+	fi
 
 done