diff --git a/pom.xml b/pom.xml
index 488b17383..e81562915 100644
--- a/pom.xml
+++ b/pom.xml
@@ -501,6 +501,9 @@
     <!-- Override javadoc plugin version due to a vulnerability of the generated javadoc
          see http://jira.codehaus.org/browse/MJAVADOC-370, remove after update to CP 32   -->
     <commons.javadoc.version>2.9.1</commons.javadoc.version>
+
+    <!-- Override default buildNumber timestamp format, needed for coveralls plugin -->
+    <maven.buildNumber.timestampFormat>{0,date,yyyy-MM-dd HH:mm:ssZ}</maven.buildNumber.timestampFormat>
   </properties>