diff --git a/tests/skyeye_interpreter/dyncom/arm_dyncom_interpreter.cpp b/tests/skyeye_interpreter/dyncom/arm_dyncom_interpreter.cpp
index 6a8b70c4..7b2b0662 100644
--- a/tests/skyeye_interpreter/dyncom/arm_dyncom_interpreter.cpp
+++ b/tests/skyeye_interpreter/dyncom/arm_dyncom_interpreter.cpp
@@ -3578,13 +3578,13 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
             if (inst_cream->Rn == 15) {
                 u32 lo = (u32)(s8)rm_val;
                 u32 hi = (u32)(s8)(rm_val >> 16);
-                RD = (lo | (hi << 16));
+                RD = (lo & 0xFFFF) | (hi << 16);
             }
             // SXTAB16
             else {
-                u32 lo = (rn_val & 0xFFFF) + (u32)(s8)(rm_val & 0xFF);
-                u32 hi = ((rn_val >> 16) & 0xFFFF) + (u32)(s8)((rm_val >> 16) & 0xFF);
-                RD = (lo | (hi << 16));
+                u32 lo = rn_val + (u32)(s8)(rm_val & 0xFF);
+                u32 hi = (rn_val >> 16) + (u32)(s8)((rm_val >> 16) & 0xFF);
+                RD = (lo & 0xFFFF) | (hi << 16);
             }
         }