Index: /applications/editors/josm/plugins/MicrosoftStreetside/build.xml
===================================================================
--- /applications/editors/josm/plugins/MicrosoftStreetside/build.xml	(revision 34580)
+++ /applications/editors/josm/plugins/MicrosoftStreetside/build.xml	(revision 34581)
@@ -32,7 +32,4 @@
 	<import file="../build-common.xml"/>
 
-	<path id="ivy.lib.path" path="ant/ivy-2.5.0-rc1.jar" />
-	<taskdef resource="org/apache/ivy/ant/antlib.xml" uri="antlib:org.apache.ivy.ant" classpathref="ivy.lib.path" />
-
 	<fileset id="plugin.requires.jars" dir="${plugin.dist.dir}">
 		<include name="apache-commons.jar"/>
@@ -54,5 +51,5 @@
 	</target>
 
-	<target name="fetch_dependencies" depends="clean_ivy">
+	<target name="fetch_dependencies" depends="clean_ivy, init-ivy">
 		<echo>fetching dependencies with ivy</echo>
 		<ivy:settings file="ivy_settings.xml" />
Index: /applications/editors/josm/plugins/build-common.xml
===================================================================
--- /applications/editors/josm/plugins/build-common.xml	(revision 34580)
+++ /applications/editors/josm/plugins/build-common.xml	(revision 34581)
@@ -32,4 +32,8 @@
     <property name="plugin.sources.jar"     location="${plugin.dist.dir}/${ant.project.name}-sources.jar"/>
     <property name="plugin.javadoc.jar"     location="${plugin.dist.dir}/${ant.project.name}-javadoc.jar"/>
+    <property name="ivy.home"               location="${user.home}/.ant"/>
+    <property name="ivy.jar.dir"            location="${ivy.home}/lib"/>
+    <property name="ivy.jar.file"           location="${ivy.jar.dir}/ivy.jar"/>
+    <property name="ivy.version"            value="2.5.0-rc1"/>
 
     <!-- For Windows-specific stuff -->
@@ -661,3 +665,16 @@
         </echo>
     </target>
+    <!--
+    ** Ivy tasks
+    -->
+    <target name="download-ivy">
+        <mkdir dir="${ivy.jar.dir}"/>
+        <get src="https://jcenter.bintray.com/org/apache/ivy/ivy/${ivy.version}/ivy-${ivy.version}.jar" dest="${ivy.jar.file}" usetimestamp="true"/>
+    </target>
+    <target name="init-ivy" depends="download-ivy">
+        <path id="ivy.lib.path">
+            <fileset dir="${ivy.jar.dir}" includes="*.jar"/>
+        </path>
+        <taskdef resource="org/apache/ivy/ant/antlib.xml" uri="antlib:org.apache.ivy.ant" classpathref="ivy.lib.path"/>
+    </target>
 </project>