Index: trunk/pstamp/src/ppstampParseCamera.c
===================================================================
--- trunk/pstamp/src/ppstampParseCamera.c	(revision 35431)
+++ trunk/pstamp/src/ppstampParseCamera.c	(revision 35497)
@@ -119,5 +119,5 @@
         // see if -sources file was supplied. 
         // If so define the file.
-        psPtr sourcesFile = psMetadataLookupStr(&status, config->arguments, "SOURCES");
+        psPtr sourcesFile = psMetadataLookupPtr(&status, config->arguments, "SOURCES");
         if (sourcesFile) {
             pmFPAfile *sources = pmFPAfileBindFromArgs(&status, input, config, "PPSTAMP.INPUT.SOURCES", "SOURCES");