diff --git a/src/libslic3r/PerimeterGenerator.cpp b/src/libslic3r/PerimeterGenerator.cpp
index 332e4e084d..498b6e5e43 100644
--- a/src/libslic3r/PerimeterGenerator.cpp
+++ b/src/libslic3r/PerimeterGenerator.cpp
@@ -103,7 +103,7 @@ static void fuzzy_extrusion_line(Arachne::ExtrusionLine& ext_lines, double fuzzy
 {
     const double min_dist_between_points = fuzzy_skin_point_dist * 3. / 4.; // hardcoded: the point distance may vary between 3/4 and 5/4 the supplied value
     const double range_random_point_dist = fuzzy_skin_point_dist / 2.;
-    double dist_left_over = double(rand()) * (min_dist_between_points / 2) / double(RAND_MAX); // the distance to be traversed on the line before making the first new point
+    double dist_left_over = random_value() * (min_dist_between_points / 2.); // the distance to be traversed on the line before making the first new point
 
     auto* p0 = &ext_lines.front();
     std::vector<Arachne::ExtrusionJunction> out;
@@ -118,8 +118,8 @@ static void fuzzy_extrusion_line(Arachne::ExtrusionLine& ext_lines, double fuzzy
         Vec2d  p0p1 = (p1.p - p0->p).cast<double>();
         double p0p1_size = p0p1.norm();
         double p0pa_dist = dist_left_over;
-        for (; p0pa_dist < p0p1_size; p0pa_dist += min_dist_between_points + double(rand()) * range_random_point_dist / double(RAND_MAX)) {
-            double r = double(rand()) * (fuzzy_skin_thickness * 2.) / double(RAND_MAX) - fuzzy_skin_thickness;
+        for (; p0pa_dist < p0p1_size; p0pa_dist += min_dist_between_points + random_value() * range_random_point_dist) {
+            double r = random_value() * (fuzzy_skin_thickness * 2.) - fuzzy_skin_thickness;
             out.emplace_back(p0->p + (p0p1 * (p0pa_dist / p0p1_size) + perp(p0p1).cast<double>().normalized() * r).cast<coord_t>(), p1.w, p1.perimeter_index);
         }
         dist_left_over = p0pa_dist - p0p1_size;