diff --git a/src/main/java/org/sonatype/plexus/build/incremental/EmptyScanner.java b/src/main/java/org/sonatype/plexus/build/incremental/EmptyScanner.java
index 7cce37d..68b5b41 100644
--- a/src/main/java/org/sonatype/plexus/build/incremental/EmptyScanner.java
+++ b/src/main/java/org/sonatype/plexus/build/incremental/EmptyScanner.java
@@ -14,6 +14,7 @@ See the Apache License Version 2.0 for the specific language governing permissio
 package org.sonatype.plexus.build.incremental;
 
 import java.io.File;
+import java.util.Comparator;
 
 import org.codehaus.plexus.util.Scanner;
 
@@ -54,4 +55,7 @@ public class EmptyScanner implements Scanner {
     return basedir;
   }
 
+  public void setFilenameComparator(Comparator<String> filenameComparator) {
+  }
+
 }
diff --git a/src/test/java/org/sonatype/plexus/build/incremental/test/TestIncrementalBuildContext.java b/src/test/java/org/sonatype/plexus/build/incremental/test/TestIncrementalBuildContext.java
index 14c1e26..c89fa52 100644
--- a/src/test/java/org/sonatype/plexus/build/incremental/test/TestIncrementalBuildContext.java
+++ b/src/test/java/org/sonatype/plexus/build/incremental/test/TestIncrementalBuildContext.java
@@ -18,6 +18,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -66,6 +67,9 @@ public class TestIncrementalBuildContext implements BuildContext {
     public File getBasedir() {
       return basedir;
     }
+
+    public void setFilenameComparator(Comparator<String> filenameComparator) {
+    }
   }
 
   private final Set changedFiles;