2 files changed, 6 insertions, 2 deletions
diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfConceptContainer.java b/models-base/src/main/java/org/onap/policy/models/base/PfConceptContainer.java
index 1c1e4613e..b4d51d173 100644
--- a/models-base/src/main/java/org/onap/policy/models/base/PfConceptContainer.java
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfConceptContainer.java
@@ -300,7 +300,11 @@ public class PfConceptContainer<C extends PfConcept, A extends PfNameVersion> ex
 
     @Override
     public C get(final PfConceptKey conceptKey) {
-        return new PfConceptGetterImpl<>((NavigableMap<PfConceptKey, C>) conceptMap).get(conceptKey);
+        if (conceptKey.isNullVersion()) {
+            return get(conceptKey.getName());
+        } else {
+            return new PfConceptGetterImpl<>((NavigableMap<PfConceptKey, C>) conceptMap).get(conceptKey);
+        }
     }
 
     @Override
diff --git a/models-base/src/main/java/org/onap/policy/models/base/PfConceptGetterImpl.java b/models-base/src/main/java/org/onap/policy/models/base/PfConceptGetterImpl.java
index c641a8035..033a7ddb2 100644
--- a/models-base/src/main/java/org/onap/policy/models/base/PfConceptGetterImpl.java
+++ b/models-base/src/main/java/org/onap/policy/models/base/PfConceptGetterImpl.java
@@ -55,7 +55,7 @@ public class PfConceptGetterImpl<C> implements PfConceptGetter<C> {
         Assertions.argumentNotNull(conceptKeyName, "conceptKeyName may not be null");
 
         // The very fist key that could have this name
-        final PfConceptKey lowestArtifactKey = new PfConceptKey(conceptKeyName, "0.0.1");
+        final PfConceptKey lowestArtifactKey = new PfConceptKey(conceptKeyName, PfKey.NULL_KEY_VERSION);
 
         // Check if we found a key for our name
         PfConceptKey foundKey = conceptMap.ceilingKey(lowestArtifactKey);