diff --git a/ui/src/main/java/org/eclipse/starter/ui/Project.java b/ui/src/main/java/org/eclipse/starter/ui/Project.java
index 046ce0b..1fb5d00 100644
--- a/ui/src/main/java/org/eclipse/starter/ui/Project.java
+++ b/ui/src/main/java/org/eclipse/starter/ui/Project.java
@@ -400,7 +400,7 @@ public void generate() {
 				LOGGER.info("Downloading zip file.");
 				downloadZip(new File(workingDirectory, artifactId + ".zip"));
 
-				// caching makes only sense if defaults weren't changed since otherwise it's unlikely to hit cache
+				// Caching makes only sense if defaults weren't changed since otherwise it's unlikely to hit cache.
 				if (groupId.equals(DEFAULT_GROUPID) && artifactId.equals(DEFAULT_ARTIFACTID)) {
 					LOGGER.info("Caching output.");
 					cache.put(getCacheKey(), workingDirectory.getAbsolutePath());
@@ -420,7 +420,7 @@ public void generate() {
 	}
 
 	private String getCacheKey() {
-		return jakartaVersion + ":" + profile + ":" + javaVersion + ":" + docker + ":" + runtime;
+		return jakartaVersion + ":" + profile + ":" + javaVersion + ":" + docker + ":" + runtime + ":" + groupId + ":" + artifactId;
 	}
 
 	private void downloadZip(File zip) {