Index: trunk/ippTools/src/pxinject.c
===================================================================
--- trunk/ippTools/src/pxinject.c	(revision 11047)
+++ trunk/ippTools/src/pxinject.c	(revision 11138)
@@ -116,4 +116,14 @@
     if (!imfiles) {
         psError(PS_ERR_UNKNOWN, true, "-imfiles is required");
+        return false;
+    }
+
+    psString workdir = psMetadataLookupStr(&status, config->args, "-workdir");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -workdir");
+        return false;
+    }
+    if (!workdir) {
+        psError(PS_ERR_UNKNOWN, true, "-workdir is required");
         return false;
     }
@@ -148,5 +158,6 @@
                 dateobs,
                 exp_type,
-                imfiles
+                imfiles,
+                workdir
             )
         ) {