diff --git a/manifold/src/constructors.cu b/manifold/src/constructors.cu
index 3fdf90f5e..4e639ef9e 100644
--- a/manifold/src/constructors.cu
+++ b/manifold/src/constructors.cu
@@ -153,7 +153,7 @@ Manifold Manifold::Cube(glm::vec3 size, bool center) {
 Manifold Manifold::Cylinder(float height, float radiusLow, float radiusHigh,
                             int circularSegments, bool center) {
   float scale = radiusHigh >= 0.0f ? radiusHigh / radiusLow : 1.0f;
-  float radius = max(radiusLow, radiusHigh);
+  float radius = fmax(radiusLow, radiusHigh);
   int n = circularSegments > 2 ? circularSegments : GetCircularSegments(radius);
   Polygons circle(1);
   float dPhi = 360.0f / n;
@@ -283,7 +283,7 @@ Manifold Manifold::Revolve(const Polygons& crossSection, int circularSegments) {
   float radius = 0.0f;
   for (const auto& poly : crossSection) {
     for (const auto& vert : poly) {
-      radius = max(radius, vert.pos.x);
+      radius = fmax(radius, vert.pos.x);
     }
   }
   int nDivisions =
diff --git a/manifold/src/manifold.cu b/manifold/src/manifold.cu
index 480023cf5..4d51ad1de 100644
--- a/manifold/src/manifold.cu
+++ b/manifold/src/manifold.cu
@@ -186,7 +186,7 @@ int Manifold::GetCircularSegments(float radius) {
   if (Manifold::circularSegments_ > 0) return Manifold::circularSegments_;
   int nSegA = 360.0f / Manifold::circularAngle_;
   int nSegL = 2.0f * radius * glm::pi<float>() / Manifold::circularEdgeLength_;
-  int nSeg = min(nSegA, nSegL) + 3;
+  int nSeg = fmin(nSegA, nSegL) + 3;
   nSeg -= nSeg % 4;
   return nSeg;
 }
diff --git a/utilities/include/sparse.cuh b/utilities/include/sparse.cuh
index 26ed09a99..f1337b0a6 100644
--- a/utilities/include/sparse.cuh
+++ b/utilities/include/sparse.cuh
@@ -23,6 +23,8 @@
 #include "utils.cuh"
 #include "vec_dh.cuh"
 
+#include <math.h>
+
 namespace manifold {
 
 /** @ingroup Private */