diff --git a/src/experimental/_impl/_pnoise1.scad b/src/experimental/_impl/_pnoise1_impl.scad
similarity index 100%
rename from src/experimental/_impl/_pnoise1.scad
rename to src/experimental/_impl/_pnoise1_impl.scad
diff --git a/src/experimental/pnoise1.scad b/src/experimental/pnoise1.scad
index f9916363..1e6533f7 100644
--- a/src/experimental/pnoise1.scad
+++ b/src/experimental/pnoise1.scad
@@ -1,5 +1,5 @@
 use <util/rand.scad>;
-use <experimental/_impl/_pnoise1.scad>;
+use <experimental/_impl/_pnoise1_impl.scad>;
 
 function pnoise1(xs, seed) = 
     let(sd = is_undef(seed) ? floor(rand(0, 256)) : seed % 256)