diff --git a/base/src/org/adempiere/pipo/IDFinder.java b/base/src/org/adempiere/pipo/IDFinder.java
index c525aa9756..a4b54fae5f 100644
--- a/base/src/org/adempiere/pipo/IDFinder.java
+++ b/base/src/org/adempiere/pipo/IDFinder.java
@@ -88,7 +88,8 @@ public class IDFinder {
 		}
 		
 		//keep in cache
-		idCache.put(key.toString(), id);
+		if (id > 0)
+			idCache.put(key.toString(), id);
 		
 		return id;
 	}