Index: trunk/ppStack/src/ppStackLoop.c
===================================================================
--- trunk/ppStack/src/ppStackLoop.c	(revision 18591)
+++ trunk/ppStack/src/ppStackLoop.c	(revision 18918)
@@ -203,16 +203,21 @@
     assert(config);
 
+    psMetadata *recipe = psMetadataLookupMetadata(NULL, config->recipes, PPSTACK_RECIPE); // ppStack recipe
+    psAssert(recipe, "We've thrown an error on this before.");
+
     bool mdok;                          // Status of MD lookup
-    bool tempDelete = psMetadataLookupBool(&mdok, config->arguments, "TEMP.DELETE"); // Delete temporary files?
-    const char *tempImage = psMetadataLookupStr(NULL, config->arguments, "TEMP.IMAGE"); // Suffix for temporary images
-    const char *tempMask = psMetadataLookupStr(NULL, config->arguments, "TEMP.MASK"); // Suffix for temporary masks
-    const char *tempWeight = psMetadataLookupStr(NULL, config->arguments, "TEMP.WEIGHT"); // Suffix for temporary weight (variance) maps
+    bool tempDelete = psMetadataLookupBool(&mdok, recipe, "TEMP.DELETE"); // Delete temporary files?
+    const char *tempImage = psMetadataLookupStr(NULL, recipe, "TEMP.IMAGE"); // Suffix for temporary images
+    const char *tempMask = psMetadataLookupStr(NULL, recipe, "TEMP.MASK"); // Suffix for temporary masks
+    const char *tempWeight = psMetadataLookupStr(NULL, recipe, "TEMP.WEIGHT"); // Suffix for temp weight maps
     if (!tempImage || !tempMask || !tempWeight) {
-        psError(PS_ERR_BAD_PARAMETER_VALUE, true, "Unable to find TEMP.IMAGE, TEMP.MASK and TEMP.WEIGHT");
-        return false;
-    }
-
-    float threshold = psMetadataLookupF32(NULL, config->arguments, "THRESHOLD.MASK"); // Threshold for mask deconvolution
-    float imageRej = psMetadataLookupF32(NULL, config->arguments, "IMAGE.REJ"); // Maximum fraction of image to reject before rejecting entire image
+        psError(PS_ERR_BAD_PARAMETER_VALUE, true,
+                "Unable to find TEMP.IMAGE, TEMP.MASK and TEMP.WEIGHT in recipe");
+        return false;
+    }
+
+    float threshold = psMetadataLookupF32(NULL, recipe, "THRESHOLD.MASK"); // Threshold for mask deconvolution
+    float imageRej = psMetadataLookupF32(NULL, recipe, "IMAGE.REJ"); // Maximum fraction of image to reject
+                                                                     // before rejecting entire image
 
     const char *statsName = psMetadataLookupStr(&mdok, config->arguments, "STATS"); // Filename for statistics
@@ -238,7 +243,9 @@
     }
     int num = psMetadataLookupS32(NULL, config->arguments, "INPUTS.NUM"); // Number of inputs
-    int numScans = psMetadataLookupS32(NULL, config->arguments, "ROWS"); // Number of scans to read at once
+    int numScans = psMetadataLookupS32(NULL, recipe, "ROWS"); // Number of scans to read at once
+
     psMetadata *ppsub = psMetadataLookupMetadata(NULL, config->recipes, "PPSUB"); // PPSUB recipe
-    int overlap = 2 * psMetadataLookupS32(NULL, ppsub, "KERNEL.SIZE"); // Overlap by kernel size between consecutive scans
+    int overlap = 2 * psMetadataLookupS32(NULL, ppsub,
+                                          "KERNEL.SIZE"); // Overlap by kernel size between consecutive scans
 
     if (!pmConfigMaskSetBits(NULL, NULL, config)) {
@@ -770,5 +777,5 @@
         memDump("final");
 
-        if (psMetadataLookupBool(&mdok, config->arguments, "PHOTOMETRY")) {
+        if (psMetadataLookupBool(&mdok, recipe, "PHOTOMETRY")) {
 
             fileActivation(config, combineFiles, false);