Index: trunk/psModules/src/camera/pmFPACopy.c
===================================================================
--- trunk/psModules/src/camera/pmFPACopy.c	(revision 23318)
+++ trunk/psModules/src/camera/pmFPACopy.c	(revision 23319)
@@ -173,4 +173,10 @@
     int xParityTarget = psMetadataLookupS32(&mdokT, target->concepts, "CELL.XPARITY"); // Target x parity
     assert(mdokS && mdokT);
+
+    if (xParityTarget == 0) {
+        psMetadataItem *item = psMetadataLookup(target->concepts, "CELL.XPARITY"); // Item with parity
+        xParityTarget = item->data.S32 = xParitySource;
+    }
+
     psAssert (abs(xParitySource) == 1, "CELL.XPARITY not set for source");
     psAssert (abs(xParityTarget) == 1, "CELL.XPARITY not set for target");
@@ -192,4 +198,10 @@
     int yParitySource = psMetadataLookupS32(&mdokS, source->concepts, "CELL.YPARITY"); // Source parity
     assert(mdokS && mdokT);
+
+    if (yParityTarget == 0) {
+        psMetadataItem *item = psMetadataLookup(target->concepts, "CELL.YPARITY"); // Item with parity
+        yParityTarget = item->data.S32 = yParitySource;
+    }
+
     psAssert (abs(yParitySource) == 1, "CELL.YPARITY not set for source");
     psAssert (abs(yParityTarget) == 1, "CELL.YPARITY not set for target");