diff --git a/src/frontend/A64/translate/impl/floating_point_data_processing_one_register.cpp b/src/frontend/A64/translate/impl/floating_point_data_processing_one_register.cpp
index 66b6d377..a2556966 100644
--- a/src/frontend/A64/translate/impl/floating_point_data_processing_one_register.cpp
+++ b/src/frontend/A64/translate/impl/floating_point_data_processing_one_register.cpp
@@ -149,12 +149,12 @@ bool TranslatorVisitor::FCVT_float(Imm<2> type, Imm<2> opc, Vec Vn, Vec Vd) {
 static bool FloatingPointRoundToIntegral(TranslatorVisitor& v, Imm<2> type, Vec Vn, Vec Vd,
                                          FP::RoundingMode rounding_mode, bool exact) {
     const auto datasize = FPGetDataSize(type);
-    if (!datasize || *datasize == 16) {
+    if (!datasize) {
         return v.UnallocatedEncoding();
     }
 
-    const IR::U32U64 operand = v.V_scalar(*datasize, Vn);
-    const IR::U32U64 result = v.ir.FPRoundInt(operand, rounding_mode, exact);
+    const IR::U16U32U64 operand = v.V_scalar(*datasize, Vn);
+    const IR::U16U32U64 result = v.ir.FPRoundInt(operand, rounding_mode, exact);
     v.V_scalar(*datasize, Vd, result);
     return true;
 }