diff --git a/tools/recetox_aplcms/macros.xml b/tools/recetox_aplcms/macros.xml
index daf3884b..4d57952b 100644
--- a/tools/recetox_aplcms/macros.xml
+++ b/tools/recetox_aplcms/macros.xml
@@ -84,8 +84,11 @@
                         help="The upper limit of the ratio range between the left-standard deviation and the right-standard deviation of the bi-Gaussian function to fit the data." />
             </section>
             <conditional name="sd_cut">
-                <param name="sd_cut_bounds" type="boolean" checked="true" truevalue="TRUE" falsevalue="FALSE" label="Standard deviations boundaries."
-                       help="Limit the standard deviations by setting boundaries." />
+                <param name="sd_cut_bounds" type="select" label="Standard deviations boundaries."
+                       help="Limit the standard deviations by setting boundaries.">
+                     <option value="FALSE">FALSE</option>
+                     <option value="TRUE" selected="true">TRUE</option>
+                </param>
                 <when value="TRUE">
                     <param name="sd_cut_min" type="float" value="0.01" label="Minimal standard deviation"
                            help="The minimum standard deviation - features with a standard deviation lower than this number are eliminated." />