diff --git a/applet/appletviewer.policy b/applet/appletviewer.policy
new file mode 100644
index 00000000..232d999e
--- /dev/null
+++ b/applet/appletviewer.policy
@@ -0,0 +1,5 @@
+keystore "lwjglkeystore";
+
+grant SignedBy "lwjgl" {
+  permission java.security.AllPermission;
+};
diff --git a/build.xml b/build.xml
index 17c01020..8ec9e759 100644
--- a/build.xml
+++ b/build.xml
@@ -345,6 +345,13 @@
 		</jar>
 	</target>
 
+	<target name="applettest" depends="applet">
+		<exec executable="appletviewer">
+			<arg value="-J-Djava.security.policy=applet/appletviewer.policy"/>
+			<arg path="applet/applet.html"/>
+		</exec>
+	</target>
+
 	<target name="runtest" depends="all">
 		<fail message="test.mainclass is not set. Use 'ant -Dtest.mainclass=&lt;main-class&gt; runtest'" unless="test.mainclass"/>
 		<condition property="native_path" value="libs/win32">