Index: trunk/ppStac/src/ppStacOptions.c
===================================================================
--- trunk/ppStac/src/ppStacOptions.c	(revision 13247)
+++ trunk/ppStac/src/ppStacOptions.c	(revision 13270)
@@ -101,11 +101,13 @@
     options->inFiles = psArrayAlloc(numInputs);
     for (int i = 0; i < numInputs; i++) {
-        const char *inName = argv[i + 2];
+        psString inName = pmConfigConvertFilename(argv[i + 2], config, false);
         psFits *inFile = psFitsOpen(inName, "r");
         if (!inFile) {
             psError(PS_ERR_IO, false, "Unable to open input file %s.\n", inName);
             psFree(options);
+            psFree(inName);
             return NULL;
         }
+        psFree(inName);
         options->inFiles->data[i] = inFile;
     }