Index: trunk/ippTools/src/difftool.c
===================================================================
--- trunk/ippTools/src/difftool.c	(revision 20973)
+++ trunk/ippTools/src/difftool.c	(revision 20976)
@@ -916,5 +916,5 @@
                       template_warp_id ? template_warp_id : PS_MAX_S64,
                       template_stack_id ? template_stack_id : PS_MAX_S64,
-                      exp_id,
+                      exp_id ? exp_id : PS_MAX_S64,
                       config)) {
         psError(PS_ERR_UNKNOWN, false, "failed to create populated diffRun");
Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 20973)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 20976)
@@ -138,4 +138,5 @@
     psMetadataAddStr(definepoprunArgs, PS_LIST_TAIL, "-reduction",  0,            "define reduction class", NULL);
     psMetadataAddBool(definepoprunArgs, PS_LIST_TAIL, "-simple",  0,            "use the simple output format", false);
+    psMetadataAddS64(definepoprunArgs, PS_LIST_TAIL, "-exp_id", 0,              "define exposure ID for template", 0);
     psMetadataAddS64(definepoprunArgs, PS_LIST_TAIL, "-template_warp_id", 0,            "define warp ID for template", 0);
     psMetadataAddS64(definepoprunArgs, PS_LIST_TAIL, "-template_stack_id", 0,            "define stack ID for template", 0);