diff --git a/test/reference/quantize.cpp b/test/reference/quantize.cpp
index 415f4a4245a0e0f8077d019179baab69491df62c..cc2cdb12e25b49a399891d5db3d136248134fe70 100644
--- a/test/reference/quantize.cpp
+++ b/test/reference/quantize.cpp
@@ -7,6 +7,7 @@
 #include "test/reference/quantize.hpp"
 
 #include <algorithm>
+#include <cmath>
 #include <cstddef>
 #include <cstdint>
 #include <limits>