diff --git a/src/raster/r.hydro.flatten/r.hydro.flatten.py b/src/raster/r.hydro.flatten/r.hydro.flatten.py
index 56d06096e3..89cd02a9de 100644
--- a/src/raster/r.hydro.flatten/r.hydro.flatten.py
+++ b/src/raster/r.hydro.flatten/r.hydro.flatten.py
@@ -42,7 +42,7 @@
 # % type: double
 # % required: yes
 # % description: Percentile of elevation to determine water level
-# % answer: 5
+# % answer: 12
 # %end
 # %option
 # % key: min_size