diff --git a/core/src/main/java/hudson/maven/MavenModuleSetBuild.java b/core/src/main/java/hudson/maven/MavenModuleSetBuild.java
index 1e61fe7ac1e1e7d25b67197b2df265b6f265220a..c80fe1421cad354d8a7374d60df8742447948ae7 100644
--- a/core/src/main/java/hudson/maven/MavenModuleSetBuild.java
+++ b/core/src/main/java/hudson/maven/MavenModuleSetBuild.java
@@ -6,6 +6,7 @@ import hudson.FilePath.FileCallable;
 import hudson.Launcher;
 import hudson.Util;
 import hudson.maven.MavenBuild.ProxyImpl2;
+import hudson.maven.reporters.MavenFingerprinter;
 import hudson.model.AbstractBuild;
 import hudson.model.AbstractProject;
 import hudson.model.Action;
@@ -393,6 +394,14 @@ public final class MavenModuleSetBuild extends AbstractBuild<MavenModuleSet,Mave
 
             performAllBuildStep(listener, project.getPublishers(), true);
             performAllBuildStep(listener, project.getProperties(), true);
+
+            // aggregate all module fingerprints to us,
+            // so that dependencies between module builds can be understood as
+            // dependencies between module set builds.
+            // TODO: we really want to implement this as a publisher,
+            // but we don't want to ask for a user configuration, nor should it
+            // show up in the persisted record.
+            MavenFingerprinter.aggregate(MavenModuleSetBuild.this);
         }
 
         @Override
diff --git a/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java b/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java
index 37d83eef2a77f5e80aafcc0cd395851379e5451c..9cf4b13852876af09a5d8bc78a2d49b6d173989c 100644
--- a/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java
+++ b/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java
@@ -8,6 +8,7 @@ import hudson.maven.MavenModule;
 import hudson.maven.MavenReporter;
 import hudson.maven.MavenReporterDescriptor;
 import hudson.maven.MojoInfo;
+import hudson.maven.MavenModuleSetBuild;
 import hudson.model.BuildListener;
 import hudson.model.FingerprintMap;
 import hudson.model.Hudson;
@@ -23,6 +24,7 @@ import java.util.HashSet;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
+import java.util.List;
 
 /**
  * Records fingerprints of the builds to keep track of dependencies.
@@ -139,5 +141,26 @@ public class MavenFingerprinter extends MavenReporter {
         }
     }
 
+    /**
+     * Creates {@link FingerprintAction} for {@link MavenModuleSetBuild}
+     * by aggregating all fingerprints from module builds.
+     */
+    public static void aggregate(MavenModuleSetBuild mmsb) throws IOException {
+        Map<String,String> records = new HashMap<String, String>();
+        for (List<MavenBuild> builds : mmsb.getModuleBuilds().values()) {
+            for (MavenBuild build : builds) {
+                FingerprintAction fa = build.getAction(FingerprintAction.class);
+                if(fa!=null)
+                    records.putAll(fa.getRecords());
+            }
+        }
+        if(!records.isEmpty()) {
+            FingerprintMap map = Hudson.getInstance().getFingerprintMap();
+            for (Entry<String, String> e : records.entrySet())
+                map.getOrCreate(null, e.getKey(), e.getValue()).add(mmsb);
+            mmsb.addAction(new FingerprintAction(mmsb,records));
+        }
+    }
+
     private static final long serialVersionUID = 1L;
 }
diff --git a/core/src/main/java/hudson/tasks/Fingerprinter.java b/core/src/main/java/hudson/tasks/Fingerprinter.java
index bb3adb948d73585e381bcfd7a3df1e9eef99c6fc..dbb45db3351bcb55f135a456aa88ad8ff68f42fa 100644
--- a/core/src/main/java/hudson/tasks/Fingerprinter.java
+++ b/core/src/main/java/hudson/tasks/Fingerprinter.java
@@ -244,6 +244,13 @@ public class Fingerprinter extends Publisher implements Serializable {
             return build;
         }
 
+        /**
+         * Obtains the raw data.
+         */
+        public Map<String,String> getRecords() {
+            return Collections.unmodifiableMap(record);
+        }
+
         /**
          * Map from file names of the fingerprinted file to its fingerprint record.
          */
@@ -283,11 +290,14 @@ public class Fingerprinter extends Publisher implements Serializable {
                 BuildPtr bp = fp.getOriginal();
                 if(bp==null)    continue;       // outside Hudson
                 if(bp.is(build))    continue;   // we are the owner
+                AbstractProject job = bp.getJob();
+                if(job!=null && job.getParent()==build.getParent())
+                    continue;   // we are the parent of the build owner, that is almost like we are the owner 
 
-                Integer existing = r.get(bp.getJob());
+                Integer existing = r.get(job);
                 if(existing!=null && existing>bp.getNumber())
                     continue;   // the record in the map is already up to date
-                r.put(bp.getJob(),bp.getNumber());
+                r.put(job,bp.getNumber());
             }
             
             return r;