diff --git a/utils/umc_dev/build/SConstruct b/utils/umc_dev/build/SConstruct
index 962686d589c..1df5bfc5a9a 100644
--- a/utils/umc_dev/build/SConstruct
+++ b/utils/umc_dev/build/SConstruct
@@ -19,12 +19,19 @@ if os.path.exists('.scons-option-cache'):
 opts = Variables( ".scons-option-cache" )
 opts.AddVariables(
     PathVariable( "eclipsedir", "The directory that contains the eclipse binary and all the needed plugins",
-                    "", PathVariable.PathIsDir )
+                "", PathVariable.PathIsDir ),
+    PathVariable( "updatesdir", "The directory that should contain the updates for the plugin",
+                os.getcwd() , PathVariable.PathAccept ),
+    PathVariable( "binariesdir", "The directory that should contain the binaries for the plugin",
+                os.getcwd() , PathVariable.PathAccept )
 )
 env = Environment( options = opts )
 opts.Save( '.scons-option-cache', env )
 
 eclipse_dir = env[ "eclipsedir" ]
+updates_dir = env[ "updatesdir" ]
+binaries_dir = env[ "binariesdir" ]
+
 temp_build_dir = os.environ[ "TMP" ] + "/umcdev_build"
 
 print "Clearing temporary build dir ( " + temp_build_dir + " ) ..."
@@ -67,6 +74,8 @@ subprocess.call( [
     "-DbuildDirectory=" + temp_build_dir,
     "-Dbase=" + eclipse_dir,
     "-DbaseLocation=" + eclipse_dir,
+    "-DupdatesDir=" + updates_dir,
+    "-DbinariesDir=" + binaries_dir,
     "-Ddeltapack=" + eclipse_dir,
     "-Declipse.pdebuild.scripts=" + pde_build_dir + "/scripts",
     "-Declipse.pdebuild.templates=" + pde_build_dir + "/templates",
diff --git a/utils/umc_dev/build/build.xml b/utils/umc_dev/build/build.xml
index b101dbd6381..58a1ac0ea7b 100644
--- a/utils/umc_dev/build/build.xml
+++ b/utils/umc_dev/build/build.xml
@@ -18,25 +18,25 @@
 
         <!-- clear previous builds -->
         <delete quiet="true">
-			<fileset dir="${basedir}/update_site"/>
+			<fileset dir="${updatesDir}"/>
         </delete>
         <delete quiet="true">
-			<fileset dir="${basedir}/${buildLabel}"/>
+			<fileset dir="${binariesDir}/${buildLabel}"/>
         </delete>
 
         <ant antfile="${eclipse.pdebuild.scripts}/productBuild/productBuild.xml" />
 
-        <move todir="${basedir}/${buildLabel}">
+        <move todir="${binariesDir}/${buildLabel}">
             <fileset dir="${buildDirectory}/${buildLabel}" includes="*.zip"/>
         </move>
 
-    	<move todir="${basedir}/update_site">
+    	<move todir="${updatesDir}">
     	     <fileset dir="${buildDirectory}/repository"/>
         </move>
 
         <!-- remove non-wesnoth plugins -->
         <delete>
-            <fileset dir="${basedir}/update_site/plugins">
+            <fileset dir="${updatesDir}/plugins">
             	<exclude name="org.wesnoth*"/>
         	</fileset>
         </delete>