Index: trunk/psModules/src/imcombine/pmPSFEnvelope.c
===================================================================
--- trunk/psModules/src/imcombine/pmPSFEnvelope.c	(revision 25489)
+++ trunk/psModules/src/imcombine/pmPSFEnvelope.c	(revision 25490)
@@ -252,6 +252,6 @@
         int xFake = source->peak->x + xOffset->data.S32[i];
         int yFake = source->peak->y + yOffset->data.S32[i];
-        psRegion region = psRegionSet(xFake - maxRadius, xFake + maxRadius,
-                                      yFake - maxRadius, yFake + maxRadius); // PSF region
+        psRegion region = psRegionSet(xFake - radius, xFake + radius,
+                                      yFake - radius, yFake + radius); // PSF region
         psImage *subImage = psImageSubset(envelope, region); // Subimage of fake PSF