1 files changed, 3 insertions, 3 deletions
diff --git a/src/main/java/org/gentoo/java/ebuilder/maven/MavenCache.java b/src/main/java/org/gentoo/java/ebuilder/maven/MavenCache.java
index 1c139c1..1295856 100644
--- a/src/main/java/org/gentoo/java/ebuilder/maven/MavenCache.java
+++ b/src/main/java/org/gentoo/java/ebuilder/maven/MavenCache.java
@@ -43,13 +43,13 @@ public class MavenCache {
         final Map<String, List<CacheItem>> artifactIds = cache.get(groupId);
 
         if (artifactIds == null) {
-            return null;
+            return "!!!groupId-not-found!!!";
         }
 
         final List<CacheItem> versions = artifactIds.get(artifactId);
 
         if (versions == null) {
-            return null;
+            return "!!!artifactId-not-found!!!";
         }
 
         final MavenVersion mavenVersion = new MavenVersion(version);
@@ -156,7 +156,7 @@ public class MavenCache {
 
         if (versions == null) {
             versions = new ArrayList<>(10);
-            artifactIds.put(cacheItem.getPkg(), versions);
+            artifactIds.put(cacheItem.getArtifactId(), versions);
         }
 
         versions.add(cacheItem);