diff --git a/.travis.yml b/.travis.yml
index fb19d6777..b8a3a0abd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language: java
 before_install:
  - "export DISPLAY=:99.0"
  - "sh -e /etc/init.d/xvfb start"
+ - "git clone https://github.com/secure-software-engineering/DroidBench.git"
+ - "export DROID_BENCH_ROOT=`pwd`/DroidBench"
 install: mvn clean verify -DskipTests=true -B -q
 script: mvn clean verify -B -q
 sudo: false
diff --git a/com.ibm.wala.dalvik.test/source/com/ibm/wala/dalvik/test/callGraph/DroidBenchCGTest.java b/com.ibm.wala.dalvik.test/source/com/ibm/wala/dalvik/test/callGraph/DroidBenchCGTest.java
index bc63826e2..3f6b905f3 100644
--- a/com.ibm.wala.dalvik.test/source/com/ibm/wala/dalvik/test/callGraph/DroidBenchCGTest.java
+++ b/com.ibm.wala.dalvik.test/source/com/ibm/wala/dalvik/test/callGraph/DroidBenchCGTest.java
@@ -75,7 +75,15 @@ public class DroidBenchCGTest extends DalvikCallGraphTestBase {
 		uncalledFunctions.put("Reflection_Reflection1.apk",  x);
 	}
 	
-	public static final String droidBenchRoot = walaProperties.getProperty("droidbench.root");
+	public static String droidBenchRoot;
+	
+	{
+	  String f = walaProperties.getProperty("droidbench.root");
+	  if (f == null || !new File(f).exists()) {
+	    f = System.getenv("DROID_BENCH_ROOT");
+	  }
+	  droidBenchRoot = f;
+	}
 
 	private void assertUserCodeReachable(CallGraph cg) throws InvalidClassFileException {
 		for(Iterator<IClass> clss = cg.getClassHierarchy().getLoader(ClassLoaderReference.Application).iterateAllClasses();