diff --git a/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java b/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java
index fc20d314c954a56a452dd95c7d84c76563d493b9..23461249c50688f0e7f63bca03d763d51ace9020 100644
--- a/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java
+++ b/core/src/main/java/hudson/maven/reporters/MavenFingerprinter.java
@@ -103,7 +103,7 @@ public class MavenFingerprinter extends MavenReporter {
         build.execute(new BuildCallable<Void,IOException>() {
             public Void call(MavenBuild build) throws IOException, InterruptedException {
                 FingerprintMap map = Hudson.getInstance().getFingerprintMap();
-                map.getOrCreate(produced?build:null, name, digest);
+                map.getOrCreate(produced?build:null, name, digest).add(build);
                 return null;
             }
         });