diff --git a/CHANGES.txt b/CHANGES.txt
index 111f698949..7a55b29fa1 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -9,6 +9,7 @@
  * Adding missing configs in system_views.settings to be backward compatible (CASSANDRA-20863)
  * Heap dump should not be generated on handled exceptions (CASSANDRA-20974)
 Merged from 4.1:
+ * Fix ant generate-eclipse-files (CASSANDRA-21215)
  * Disk usage guardrail cannot be disabled when failure threshold is reached (CASSANDRA-21057)
  * ReadCommandController should close fast to avoid deadlock when building secondary index (CASSANDRA-19564)
 Merged from 4.0:
diff --git a/build.xml b/build.xml
index 57080b3966..15298ede27 100644
--- a/build.xml
+++ b/build.xml
@@ -1981,7 +1981,7 @@
     </path>
     <pathconvert property="eclipse-libs-list" refid="eclipse-project-libs-path" pathsep="${line.separator}">
         <mapper>
-            <regexpmapper from="^(.*)$$" to='&lt;classpathentry kind="lib" path="\1\" \/&gt;'/>
+            <regexpmapper from="^(.*)$$" to='&lt;classpathentry kind="lib" path="\1" /&gt;'/>
         </mapper>
     </pathconvert>
     <property name="eclipse-project-libs" refid="eclipse-project-libs-path"/>