diff --git a/conf/output/test-output-rppd-lobid-47.json b/conf/output/test-output-rppd-lobid-47.json
index 30355a1..f94cb79 100644
--- a/conf/output/test-output-rppd-lobid-47.json
+++ b/conf/output/test-output-rppd-lobid-47.json
@@ -1,6 +1,6 @@
 {
   "@context" : "http://lobid.org/gnd/context.jsonld",
-  "id" : "https://d-nb.info/gnd/https://rppd.lobid.org/75fae589-07c0-4777-9362-91d1df4657f0",
+  "id" : "https://rppd.lobid.org/75fae589-07c0-4777-9362-91d1df4657f0",
   "rppdId" : "75fae589-07c0-4777-9362-91d1df4657f0",
   "type" : [ "AuthorityResource", "Person", "DifferentiatedPerson" ],
   "preferredName" : "Heinz, Klaus-Martin",
diff --git a/conf/rppd-to-lobid.fix b/conf/rppd-to-lobid.fix
index b1846f1..4b0dfcc 100644
--- a/conf/rppd-to-lobid.fix
+++ b/conf/rppd-to-lobid.fix
@@ -80,10 +80,12 @@ call_macro("move_here", field: "rppdId")
 #82b	(GND-ID (R)) ->	gndIdentifier	
 # Kommentar Doku:  ohne das vorangestellte Präfix (DE-588)
 
-call_macro("move_here", field: "gndIdentifier")
-unless all_contain("gndIdentifier", "Keine GND-Ansetzung")
-  copy_field("gndIdentifier","id")
-  prepend("id","https://d-nb.info/gnd/")
+if exists("gndIdentifier")
+  call_macro("move_here", field: "gndIdentifier")
+  unless all_contain("gndIdentifier", "Keine GND-Ansetzung")
+    copy_field("gndIdentifier","id")
+    prepend("id","https://d-nb.info/gnd/")
+  end
 end
 
 set_array("sameAs[]")