diff --git a/apps/code/script_template.cpp b/apps/code/script_template.cpp
index 8bbcf1d34..a9d352272 100644
--- a/apps/code/script_template.cpp
+++ b/apps/code/script_template.cpp
@@ -30,22 +30,17 @@ def fibo2(n):
 constexpr ScriptTemplate mandelbrotScriptTemplate("mandelbrot.py", R"(# This script draws a Mandelbrot fractal set
 # N_iteration: degree of precision
 import kandinsky
-N_iteration = 10
-def drawMandlebrot():
+def mandelbrot(N_iteration):
   for x in range(320):
     for y in range(222):
 # Compute the mandelbrot sequence for the point c = (c_r, c_i) with start value z = (z_r, z_i)
-      z_r = 0
-      z_i = 0
+      z = complex(0,0)
 # Rescale to fit the drawing screen 320x222
-      c_r = 2.7*x/319-2.1
-      c_i = -1.87*y/221+0.935
+      c = complex(3.5*x/319-2.5, -2.5*y/221+1.25)
       i = 0
-      while (i < N_iteration) and ((z_r * z_r) + (z_i * z_i) < 4):
+      while (i < N_iteration) and abs(z) < 2:
         i = i + 1
-        stock = z_r
-        z_r = z_r * z_r - z_i * z_i + c_r
-        z_i = 2 * stock * z_i + c_i
+        z = z*z+c
 # Choose the color of the dot from the Mandelbrot sequence
       rgb = int(255*i/N_iteration)
       col = kandinsky.color(int(rgb),int(rgb*0.75),int(rgb*0.25))