diff --git a/stim/cuda/arraymath.cuh b/stim/cuda/arraymath.cuh
index ad066bb..16a36b8 100644
--- a/stim/cuda/arraymath.cuh
+++ b/stim/cuda/arraymath.cuh
@@ -6,6 +6,7 @@
 #include <stim/cuda/array_abs.cuh>
 #include <stim/cuda/array_cart2polar.cuh>
 #include <stim/cuda/gaussian_blur.cuh>
+#include <stim/cuda/conv2.cuh>
 
 namespace stim{
 	namespace cuda{
--
libgit2 0.21.4