Index: trunk/ppMerge/src/ppMergeOptions.c
===================================================================
--- trunk/ppMerge/src/ppMergeOptions.c	(revision 9341)
+++ trunk/ppMerge/src/ppMergeOptions.c	(revision 9385)
@@ -133,5 +133,5 @@
     OPTION_PARSE(options->shutterSize,       recipe, "SHUTTER.SIZE", S32 );
     OPTION_PARSE(options->shutterIter,       recipe, "SHUTTER.ITER", S32 );
-    OPTION_PARSE(options->shutterRej,        recipe, "SHUTTER.REJECT", S32 );
+    OPTION_PARSE(options->shutterRej,        recipe, "SHUTTER.REJECT", F32 );
 
     options->combine->combine = parseStat(recipe, "COMBINE");
