diff --git a/groovy18.spec b/groovy18.spec
index f049c8b..f6ee9af 100644
--- a/groovy18.spec
+++ b/groovy18.spec
@@ -171,7 +171,7 @@ done
 mkdir -p target/lib/{compile,tools}
 
 # Construct classpath
-build-jar-repository target/lib/compile glassfish-servlet-api glassfish-jsp-api \
+build-jar-repository target/lib/compile glassfish-servlet-api glassfish-jsp-api/javax.servlet.jsp-api \
         objectweb-asm/asm-tree objectweb-asm/asm \
         objectweb-asm/asm-util objectweb-asm/asm-analysis \
         antlr ant/ant-antlr antlr \