Index: trunk/ppStack/src/ppStackMatch.c
===================================================================
--- trunk/ppStack/src/ppStackMatch.c	(revision 14763)
+++ trunk/ppStack/src/ppStackMatch.c	(revision 14764)
@@ -35,10 +35,10 @@
     psMaskType maskBlank = pmConfigMask(psMetadataLookupStr(NULL, recipe, "MASK.BLANK"),
                                         config); // Mask for blank reg.
-    bool optimum = psMetadataLookupBool(&mdok, config->arguments, "OPTIMUM"); // Derive optimum parameters?
-    float optMin = psMetadataLookupF32(&mdok, config->arguments, "OPTIMUM.MIN"); // Minimum width for search
-    float optMax = psMetadataLookupF32(&mdok, config->arguments, "OPTIMUM.MAX"); // Maximum width for search
-    float optStep = psMetadataLookupF32(&mdok, config->arguments, "OPTIMUM.STEP"); // Step for search
-    float optThresh = psMetadataLookupF32(&mdok, config->arguments, "OPTIMUM.TOL"); // Tolerance for search
-    int optOrder = psMetadataLookupS32(&mdok, config->arguments, "OPTIMUM.ORDER"); // Order for search
+    bool optimum = psMetadataLookupBool(&mdok, recipe, "OPTIMUM"); // Derive optimum parameters?
+    float optMin = psMetadataLookupF32(&mdok, recipe, "OPTIMUM.MIN"); // Minimum width for search
+    float optMax = psMetadataLookupF32(&mdok, recipe, "OPTIMUM.MAX"); // Maximum width for search
+    float optStep = psMetadataLookupF32(&mdok, recipe, "OPTIMUM.STEP"); // Step for search
+    float optThresh = psMetadataLookupF32(&mdok, recipe, "OPTIMUM.TOL"); // Tolerance for search
+    int optOrder = psMetadataLookupS32(&mdok, recipe, "OPTIMUM.ORDER"); // Order for search
 
     // These values are specified specifically for stacking