Index: trunk/psModules/src/detrend/pmFlatField.c
===================================================================
--- trunk/psModules/src/detrend/pmFlatField.c	(revision 15665)
+++ trunk/psModules/src/detrend/pmFlatField.c	(revision 15673)
@@ -77,5 +77,5 @@
         for (int i = 0; i < inImage->numCols; i++) { \
             ps##TYPE flatValue = flatImage->data.TYPE[j + yOffset][i + xOffset]; \
-            if (!isfinite(flatValue) || flatValue <= 0.0 ||
+            if (!isfinite(flatValue) || flatValue <= 0.0 || \
                 (flatMask && flatMask->data.U8[j + yOffset][i + xOffset])) { \
                 if (inMask) { \