Index: trunk/ppStack/src/ppStack.h
===================================================================
--- trunk/ppStack/src/ppStack.h	(revision 20711)
+++ trunk/ppStack/src/ppStack.h	(revision 20753)
@@ -145,5 +145,5 @@
                   float *chi2,          // Chi^2 from the stamps
                   float *weighting,     // Stack weighting (1/noise^2)
-                  const psArray *sources, // Array of sources
+                  psArray *sources,     // Array of sources
                   const pmPSF *psf,     // Target PSF
                   psRandom *rng,        // Random number generator
