diff --git a/Documentation/Makefile b/Documentation/Makefile
index b6c3285..ec3c9e8 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -66,8 +66,8 @@ clean:
 	rm -f usage-*.txt
 	rm -f version.txt
 
-usage-%.txt: $(MAN1_TXT) usage.sh
-	sh ./usage.sh
+usage-guilt-%.txt: ../guilt-% usage.sh
+	sh ./usage.sh $<
 
 %.html : %.txt footer.txt version.txt
 	$(ASCIIDOC) -b xhtml11 -d manpage -f asciidoc.conf $(ASCIIDOC_EXTRA) $<
diff --git a/Documentation/usage.sh b/Documentation/usage.sh
index 20fdca4..629f546 100644
--- a/Documentation/usage.sh
+++ b/Documentation/usage.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 
-for i in `ls ../guilt-*`; do
-	name=$(basename $i)
-	u=$(grep USAGE $i |  sed 's/USAGE="//' | sed 's/"$//') 
-	echo "'$name' $u"  > usage-$name.txt
-done
+name=$(basename $1)
+u=$(grep USAGE $1 |  sed 's/USAGE="//' | sed 's/"$//') 
+echo "'$name' $u"  > usage-$name.txt