diff --git a/src/target/source/codegen_cuda.cc b/src/target/source/codegen_cuda.cc
index 436e85247ffe..c891ec5a28cf 100644
--- a/src/target/source/codegen_cuda.cc
+++ b/src/target/source/codegen_cuda.cc
@@ -579,6 +579,23 @@ void CodeGenCUDA::PrintStorageScope(const std::string& scope, std::ostream& os)
   }
 }
 
+std::string CodeGenCUDA::CastFromTo(std::string value, DataType from, DataType target) {
+  if (from == target) return value;
+  std::ostringstream os;
+  os << "((";
+  this->PrintType(target, os);
+  os << ")";
+  if (from.is_float16() && (target.is_int() || target.is_uint()) && target.bits() == 8) {
+    os << "(";
+    if (target.is_uint()) {
+      os << "u";
+    }
+    os << "int)";
+  }
+  os << value << ")";
+  return os.str();
+}
+
 void CodeGenCUDA::VisitExpr_(const CastNode* op, std::ostream& os) {
   DataType from_ty = op->value.dtype();
   DataType target_ty = op->dtype;
diff --git a/src/target/source/codegen_cuda.h b/src/target/source/codegen_cuda.h
index 0fef15c7a7f3..bb507c179993 100644
--- a/src/target/source/codegen_cuda.h
+++ b/src/target/source/codegen_cuda.h
@@ -58,6 +58,7 @@ class CodeGenCUDA final : public CodeGenC {
   void PrintVecElemStore(const std::string& vec, DataType t, int i, const std::string& value) final;
   void BindThreadIndex(const IterVar& iv) final;  // NOLINT(*)
   void PrintVecElemLoadExpr(DataType t, int i, const std::string& value, std::ostream& os) final;
+  std::string CastFromTo(std::string value, DataType from, DataType target) final;
   // overload visitor
   void VisitExpr_(const RampNode* op, std::ostream& os) final;       // NOLINT(*)
   void VisitExpr_(const ShuffleNode* op, std::ostream& os) final;    // NOLINT(*)