diff --git a/plug-ins/script-fu/scripts/distress-selection.scm b/plug-ins/script-fu/scripts/distress-selection.scm
index 845e724b2b..2122a81cca 100644
--- a/plug-ins/script-fu/scripts/distress-selection.scm
+++ b/plug-ins/script-fu/scripts/distress-selection.scm
@@ -84,7 +84,7 @@
     (plug-in-gauss-iir RUN-NONINTERACTIVE
            theImage theLayer inSmooth inSmoothH inSmoothV)
     (gimp-layer-scale theLayer theWidth theHeight TRUE)
-    (plug-in-threshold-alpha RUN-NONINTERACTIVE theImage theLayer inThreshold)
+    (plug-in-threshold-alpha RUN-NONINTERACTIVE theImage theLayer (* inThreshold 255))
     (plug-in-gauss-iir RUN-NONINTERACTIVE theImage theLayer 1 TRUE TRUE)
     (gimp-image-select-item inImage CHANNEL-OP-REPLACE theLayer)
     (gimp-image-remove-layer theImage theLayer)
@@ -110,7 +110,7 @@
   "23rd April 1998"
   "RGB*,GRAY*"
   SF-ONE-OR-MORE-DRAWABLE
-  SF-ADJUSTMENT _"_Threshold (bigger 1<-->254 smaller)" '(127 1 254 1 10 0 0)
+  SF-ADJUSTMENT _"_Threshold"              '(0.5 0 1 0.1 0.2 1 0)
   SF-ADJUSTMENT _"_Spread"                 '(8 0 512 1 10 0 1)
   SF-ADJUSTMENT _"_Granularity (1 is low)" '(4 1 25 1 10 0 1)
   SF-ADJUSTMENT _"S_mooth"                 '(2 1 150 1 10 0 1)