Index: trunk/psModules/src/concepts/pmConceptsStandard.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 15051)
+++ trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 15052)
@@ -132,6 +132,6 @@
     // the metadata is in the format (internal) STR (external)
     // find the first internal name that matches
-    psString value = psMetadataLookupStr(&mdok, filters, key); // Value to use
-    if (!mdok || !value || strlen(value) == 0) {
+    psMetadataItem *item = psMetadataLookup (filters, key);
+    if (!item) {
         psError(PS_ERR_UNEXPECTED_NULL, true,
                 "Unable to find %s in FILTER.ID in camera configuration.\n", key);
@@ -139,5 +139,21 @@
     }
 
-    return psMetadataItemAllocStr(concept->name, concept->comment, value);
+    if (item->type == PS_DATA_STRING) {
+	return psMetadataItemAllocStr(concept->name, concept->comment, item->data.V);
+    }
+
+    if (item->type == PS_DATA_METADATA_MULTI) {
+	psMetadataItem *entry = psListGet (item->data.list, PS_LIST_HEAD);
+	if (!entry) {
+	    psError(PS_ERR_UNEXPECTED_NULL, true,
+		    "List for %s in FILTER.ID in camera configuration is empty.\n", key);
+	    return NULL;
+	}
+	return psMetadataItemAllocStr(concept->name, concept->comment, entry->data.V);
+    }
+
+    psError(PS_ERR_UNEXPECTED_NULL, true,
+	    "Unable to find %s in FILTER.ID in camera configuration.\n", key);
+    return NULL;
 }