Index: trunk/ppArith/src/ppArithReadout.c
===================================================================
--- trunk/ppArith/src/ppArithReadout.c	(revision 21052)
+++ trunk/ppArith/src/ppArithReadout.c	(revision 21183)
@@ -26,5 +26,5 @@
         outImage = output->mask;
         if (!outImage) {
-            output->mask = outImage = psImageAlloc(inImage1->numCols, inImage1->numRows, PS_TYPE_MASK);
+            output->mask = outImage = psImageAlloc(inImage1->numCols, inImage1->numRows, PS_TYPE_IMAGE_MASK);
         }
         if (!output->image) {
@@ -37,5 +37,5 @@
         outImage = output->image;
         if (!outImage) {
-            output->mask = outImage = psImageAlloc(inImage1->numCols, inImage1->numRows, PS_TYPE_MASK);
+            output->mask = outImage = psImageAlloc(inImage1->numCols, inImage1->numRows, PS_TYPE_IMAGE_MASK);
         }
     }