Index: trunk/ippTools/src/warptool.c
===================================================================
--- trunk/ippTools/src/warptool.c	(revision 14900)
+++ trunk/ippTools/src/warptool.c	(revision 15376)
@@ -937,7 +937,7 @@
     }
 
-    psF64 pixel_fill = psMetadataLookupF64(&status, config->args, "-pixel_fill");
-    if (!status) {
-        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -pixel_fill");
+    psF64 good_frac = psMetadataLookupF64(&status, config->args, "-good_frac");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -good_frac");
         return false;
     }
@@ -966,5 +966,5 @@
             bg,
             bg_stdev,
-            pixel_fill,
+            good_frac,
             code
         )) {