diff --git a/src/amd/compiler/aco_validate.cpp b/src/amd/compiler/aco_validate.cpp
index 5d81eb0a36c..e5c44d6dabd 100644
--- a/src/amd/compiler/aco_validate.cpp
+++ b/src/amd/compiler/aco_validate.cpp
@@ -549,8 +549,10 @@ bool validate_subdword_operand(chip_class chip, const aco_ptr<Instruction>& inst
       return byte == 0;
    if (instr->isPseudo() && chip >= GFX8)
       return true;
-   if (instr->isSDWA() && (instr->sdwa().sel[index] & sdwa_asuint) == (sdwa_isra | op.bytes()))
-      return true;
+   if (instr->isSDWA()) {
+      unsigned sel = instr->sdwa().sel[index] & sdwa_asuint;
+      return (sel & sdwa_isra) && (sel & sdwa_rasize) <= op.bytes();
+   }
    if (byte == 2 && can_use_opsel(chip, instr->opcode, index, 1))
       return true;