diff --git a/src/pp/_impl/_pp_poisson2.scad b/src/pp/_impl/_pp_poisson2.scad
index 078b4e59..d77ff5e9 100644
--- a/src/pp/_impl/_pp_poisson2.scad
+++ b/src/pp/_impl/_pp_poisson2.scad
@@ -1,12 +1,12 @@
 use <../../matrix/m_replace.scad>
 use <../../util/every.scad>
 
-function sampling(size, r, start, k) =
+function sampling(size, r, start, k, sd) =
     let(
         w = r / sqrt(2),
         rows = floor(size.y / w),
         columns = floor(size.x / w),
-        pt = is_undef(start) ? size / 2 : start,
+        pt = is_undef(start) ? [rands(0, size.x, 1, sd)[0], rands(0, size.y, 1, sd + 1)[0]] : start,
         active = [pt],
         px = floor(pt.x / w),
         py = floor(pt.y / w),
diff --git a/src/pp/pp_poisson2.scad b/src/pp/pp_poisson2.scad
index d3f543f7..56c10973 100644
--- a/src/pp/pp_poisson2.scad
+++ b/src/pp/pp_poisson2.scad
@@ -1,8 +1,9 @@
 use <_impl/_pp_poisson2.scad>
 
-function pp_poisson2(size, r, start = undef, k = 30, seed = undef, history = false) =
+function pp_poisson2(size, r, start, k = 30, seed = undef, history = false) =
     let(
-        s = _pp_poisson(sampling(size, r, start, k), is_undef(seed) ? floor(rands(0, 1000, 1)[0]) : seed),
+        sd = is_undef(seed) ? floor(rands(0, 1000, 1)[0]) : seed,
+        s = _pp_poisson(sampling(size, r, start, k, sd), sd),
         samples = [
             for(row = sampling_grid(s), sample = row)
             if(!is_undef(sample)) sample