Index: trunk/ippTools/src/difftool.c
===================================================================
--- trunk/ippTools/src/difftool.c	(revision 19693)
+++ trunk/ippTools/src/difftool.c	(revision 19694)
@@ -482,5 +482,5 @@
     PXOPT_LOOKUP_F32(dtime_phot, config->args, "-dtime_phot", false, false);
     PXOPT_LOOKUP_S32(stamps_num, config->args, "-stamps_num", false, false);
-    PXOPT_LOOKUP_S32(stamps_mean, config->args, "-stamps_mean", false, false);
+    PXOPT_LOOKUP_F32(stamps_mean, config->args, "-stamps_mean", false, false);
     PXOPT_LOOKUP_F32(stamps_rms, config->args, "-stamps_rms", false, false);
     PXOPT_LOOKUP_S32(sources, config->args, "-sources", false, false);