diff --git a/src/ptf/ptf_rotate.scad b/src/ptf/ptf_rotate.scad
index be053c3d..37934331 100644
--- a/src/ptf/ptf_rotate.scad
+++ b/src/ptf/ptf_rotate.scad
@@ -8,6 +8,6 @@
 *
 **/ 
 
-use <_impl/_ptf_rotate_impl.scad>;
+use <../_impl/_ptf_rotate_impl.scad>;
 
 function ptf_rotate(point, a, v) = _rotate_p_impl(point, a, v);
\ No newline at end of file