diff --git a/src/etc/testcases/taskdefs/unzip.xml b/src/etc/testcases/taskdefs/unzip.xml
index 43c340395..b61bf6165 100644
--- a/src/etc/testcases/taskdefs/unzip.xml
+++ b/src/etc/testcases/taskdefs/unzip.xml
@@ -68,4 +68,14 @@
     <mkdir dir="unziptestout"/>
     <unzip dest="unziptestout" src="zip/test.exe"/>
   </target>
+
+  <!-- Bugzilla Report 20969 -->
+  <target name="testPatternSetSlashOnly" depends="prepareTestZip">
+    <unzip dest="unziptestout" src="unziptest.zip">
+      <patternset>
+        <include name="2/"/>
+      </patternset>
+    </unzip>
+  </target>
+
 </project>
diff --git a/src/testcases/org/apache/tools/ant/taskdefs/UnzipTest.java b/src/testcases/org/apache/tools/ant/taskdefs/UnzipTest.java
index 638d22b66..b7ec0cc29 100644
--- a/src/testcases/org/apache/tools/ant/taskdefs/UnzipTest.java
+++ b/src/testcases/org/apache/tools/ant/taskdefs/UnzipTest.java
@@ -143,4 +143,16 @@ public class UnzipTest extends BuildFileTest {
                             + "probably a self-extracting archive");
     }
 
+
+    /*
+     * PR 20969
+     */
+    public void testPatternSetSlashOnly() {
+        executeTarget("testPatternSetSlashOnly");
+        assertTrue("1/foo is not included",
+                   !getProject().resolveFile("unziptestout/1/foo").exists());
+        assertTrue("2/bar is included",
+                   getProject().resolveFile("unziptestout/2/bar").exists());
+    }
+
 }