diff --git a/build/build.xml b/build/build.xml
index 1827fe8ab3..7d9def981a 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -3,7 +3,7 @@
 <project name="phpBB" description="The phpBB forum software" default="all" basedir="../">
 	<!-- a few settings for the build -->
 	<property name="newversion" value="3.1.9-dev" />
-	<property name="newversion" value="3.1.8" />
+	<property name="prevversion" value="3.1.8" />
 	<property name="olderversions" value="3.0.14, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.7-pl1" />
 	<!-- no configuration should be needed beyond this point -->