diff --git a/modules/global-elements.xml b/modules/global-elements.xml
index d12f0b1..55df63b 100755
--- a/modules/global-elements.xml
+++ b/modules/global-elements.xml
@@ -85,7 +85,7 @@
 	-->
 	<template name="PaperPeriod" match="PaperPeriod">
 		<common>
-			<xsl:value-of select="$paper-period" />
+			<xsl:value-of select="$period-string" />
 		</common>
 	</template>