Index: trunk/ppMerge/src/ppMergeScaleZero.c
===================================================================
--- trunk/ppMerge/src/ppMergeScaleZero.c	(revision 33666)
+++ trunk/ppMerge/src/ppMergeScaleZero.c	(revision 42785)
@@ -232,4 +232,5 @@
     }
 
+    psFree(gains);
     psFree(background);
     psFree(shutters);