diff --git a/build.xml b/build.xml
index d8f01f5fb6..fca0058dd1 100644
--- a/build.xml
+++ b/build.xml
@@ -325,7 +325,7 @@
 			<include name="hsqldb/**"/>
 			<include name="*.txt"/>
 			<include name="*.xml"/>
-			<exclude name="project.properties"/>
+			<include name="project.properties"/>
 		</fileset>
 
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