Build minor fix.
diff --git a/build.properties b/build.properties
index 593b669..11d0a00 100644
--- a/build.properties
+++ b/build.properties
@@ -21,7 +21,8 @@
 #
 beanshell.jar=bsh-2.0b4.jar
 guice2.jar=guice-2.0.jar
-guice3.jar=guice-3.0-snapshot-20101120.jar
+guice-version=20101120
+guice3.jar=guice-3.0-snapshot-${guice-version}.jar
 inject.jar=javax.inject.jar
 junit.jar=junit-3.8.1.jar
 ant.jar=ant-1.6.5.jar
@@ -43,7 +44,7 @@
 testng.nobsh.noguice.jar=${testng.fullname}-nobsh-noguice.jar
 testng.bsh.noguice.jar=${testng.fullname}-bsh-noguice.jar
 testng.nobsh.guice.jar=${testng.fullname}-nobsh-guice.jar
-testng-guice3.jar=${testng.fullname}-guice3.jar
+testng-guice3.jar=${testng.fullname}-guice-${guice-version}.jar
 testng.ibiblio.jar=${testng.fullname}-bundle.jar
 testng.zip=${target}/${testng.fullname}.zip
 testng.maven-bundle=${target}/${testng.fullname}-bundle.jar