diff --git a/src/backend/common/half.hpp b/src/backend/common/half.hpp
index fb25d03..2f6a8a4 100644
--- a/src/backend/common/half.hpp
+++ b/src/backend/common/half.hpp
@@ -33,6 +33,7 @@
 #endif
 
 #include <backend.hpp>
+#include <cstdint>
 
 #ifdef __CUDACC_RTC__
 using uint16_t = unsigned short;