diff --git a/mris_find_flat_regions/mris_find_flat_regions.cpp b/mris_find_flat_regions/mris_find_flat_regions.cpp
index 0594891e502..5572aaa9e27 100644
--- a/mris_find_flat_regions/mris_find_flat_regions.cpp
+++ b/mris_find_flat_regions/mris_find_flat_regions.cpp
@@ -41,7 +41,7 @@ static void print_version(void) ;
 
 const char *Progname ;
 
-static int segment_rois = 1 ;
+static int segment_rois = 0 ;
 static  float  thresh =  0.99 ;
 
 int