Index: trunk/psModules/src/imcombine/pmSubtractionEquation.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionEquation.c	(revision 27327)
+++ trunk/psModules/src/imcombine/pmSubtractionEquation.c	(revision 27335)
@@ -1523,4 +1523,6 @@
     }
 
+    psFree(keepStamps);
+
     psLogMsg("psModules.imcombine", PS_LOG_DETAIL, "%s", log);
     psFree(log);