diff --git a/maven-project/src/main/java/org/apache/maven/project/builder/PomClassicTransformer.java b/maven-project/src/main/java/org/apache/maven/project/builder/PomClassicTransformer.java
index d3731d1817..11f39b38e5 100644
--- a/maven-project/src/main/java/org/apache/maven/project/builder/PomClassicTransformer.java
+++ b/maven-project/src/main/java/org/apache/maven/project/builder/PomClassicTransformer.java
@@ -558,6 +558,7 @@ public final class PomClassicTransformer
         Map<String, String> aliases = new HashMap<String, String>();
         aliases.put( "project.", "pom.");
         aliases.put( "\\$\\{project.build.", "\\$\\{build.");
+        aliases.put( "\\$\\{project.parent.", "\\$\\{parent.");
 
         if(!containsProjectVersion(interpolatorProperties))
         {