diff --git a/src/noise/nz_perlin1.scad b/src/noise/nz_perlin1.scad
index d0c9465c..db03c0e9 100644
--- a/src/noise/nz_perlin1.scad
+++ b/src/noise/nz_perlin1.scad
@@ -10,4 +10,4 @@
 
 use <_impl/_pnoise1_impl.scad>;
 
-function nz_perlin1(x, seed) = _pnoise1_impl(x, seed % 256);
\ No newline at end of file
+function nz_perlin1(x, seed) = _pnoise1_impl(x, seed);
\ No newline at end of file
diff --git a/src/noise/nz_perlin1s.scad b/src/noise/nz_perlin1s.scad
index 6d62d18a..5802447d 100644
--- a/src/noise/nz_perlin1s.scad
+++ b/src/noise/nz_perlin1s.scad
@@ -12,5 +12,5 @@ use <../util/rand.scad>;
 use <_impl/_pnoise1_impl.scad>;
 
 function nz_perlin1s(xs, seed) = 
-    let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)
+    let(sd = is_undef(seed) ? rand() : seed)
     [for(x = xs) _pnoise1_impl(x, sd)];
\ No newline at end of file
diff --git a/src/noise/nz_perlin2.scad b/src/noise/nz_perlin2.scad
index 890bd74d..fc56b703 100644
--- a/src/noise/nz_perlin2.scad
+++ b/src/noise/nz_perlin2.scad
@@ -11,4 +11,4 @@
 use <../util/rand.scad>;
 use <_impl/_pnoise2_impl.scad>;
 
-function nz_perlin2(x, y, seed) = _pnoise2(x, y, seed % 256);
\ No newline at end of file
+function nz_perlin2(x, y, seed) = _pnoise2(x, y, seed);
\ No newline at end of file
diff --git a/src/noise/nz_perlin2s.scad b/src/noise/nz_perlin2s.scad
index f1e978cb..ce78758c 100644
--- a/src/noise/nz_perlin2s.scad
+++ b/src/noise/nz_perlin2s.scad
@@ -12,5 +12,5 @@ use <../util/rand.scad>;
 use <_impl/_pnoise2_impl.scad>;
 
 function nz_perlin2s(points, seed) = 
-    let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)
+    let(sd = is_undef(seed) ? rand() : seed)
     [for(p = points) _pnoise2(p.x, p.y, sd)];    
\ No newline at end of file
diff --git a/src/noise/nz_perlin3.scad b/src/noise/nz_perlin3.scad
index 30fecf6a..61950ee6 100644
--- a/src/noise/nz_perlin3.scad
+++ b/src/noise/nz_perlin3.scad
@@ -11,4 +11,4 @@
 use <../util/rand.scad>;
 use <_impl/_pnoise3_impl.scad>;
 
-function nz_perlin3(x, y, z, seed) = _pnoise3(x, y, z, seed % 256);
\ No newline at end of file
+function nz_perlin3(x, y, z, seed) = _pnoise3(x, y, z, seed);
\ No newline at end of file
diff --git a/src/noise/nz_perlin3s.scad b/src/noise/nz_perlin3s.scad
index af855298..e08961c3 100644
--- a/src/noise/nz_perlin3s.scad
+++ b/src/noise/nz_perlin3s.scad
@@ -12,5 +12,5 @@ use <../util/rand.scad>;
 use <_impl/_pnoise3_impl.scad>;
 
 function nz_perlin3s(points, seed) = 
-    let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)
+    let(sd = is_undef(seed) ? rand() : seed)
     [for(p = points) _pnoise3(p.x, p.y, p.z, sd)];    
\ No newline at end of file