Index: trunk/psModules/src/objects/pmSourceIO.c
===================================================================
--- trunk/psModules/src/objects/pmSourceIO.c	(revision 30621)
+++ trunk/psModules/src/objects/pmSourceIO.c	(revision 31670)
@@ -727,9 +727,10 @@
 
     psMetadata *fileData = psMetadataLookupMetadata(NULL, file->format, "FILE"); // File information
-    const char *fpaNameHdr = psMetadataLookupStr(NULL, fileData, "FPA.OBS");
+    const char *fpaNameHdr = psMetadataLookupStr(&status, fileData, "FPA.OBS");
     if (fpaNameHdr && strlen(fpaNameHdr) > 0) {
-        const char *fpaName = psMetadataLookupStr(NULL, fpa->concepts, "FPA.OBS");
-        psMetadataAddStr(outhead, PS_LIST_TAIL, fpaNameHdr, PS_META_REPLACE,
-                         "FPA observation identifier", fpaName);
+        const char *fpaName = psMetadataLookupStr(&status, fpa->concepts, "FPA.OBS");
+	if (fpaName) {
+	    psMetadataAddStr(outhead, PS_LIST_TAIL, fpaNameHdr, PS_META_REPLACE, "FPA observation identifier", fpaName);
+	}
     }