Index: trunk/psphot/src/psphotMosaicSubimage.c
===================================================================
--- trunk/psphot/src/psphotMosaicSubimage.c	(revision 14952)
+++ trunk/psphot/src/psphotMosaicSubimage.c	(revision 14953)
@@ -41,4 +41,5 @@
     psImageOverlaySection (outImage, newImage, Xo, Yo, "=");
 
+    psFree (subImage);
     psFree (newImage);
     return true;
