diff --git a/Makefile b/Makefile
index 7106457..cbed7c7 100644
--- a/Makefile
+++ b/Makefile
@@ -63,6 +63,7 @@
 	echo "Converting $< to $@"
 	unzip -q -o $< -d $@
 	chmod -R ug+rwX $@
+	echo "<originalPath>\"$<\"</originalPath>" > $@/originalPath.xml
 
 $(TARGET_DIR)/%.i5.xml: $(BUILD_DIR)/% xslt/epub2i5.xsl xslt/idsCorpus-template.xml
 	mkdir -p $(TARGET_DIR)