diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index 70bf5e8962f..300356d1f3c 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -8722,7 +8722,11 @@ visit_intrinsic(isel_context* ctx, nir_intrinsic_instr* instr)
       break;
    }
    case nir_intrinsic_elect: {
-      Temp elected = bld.pseudo(aco_opcode::p_elect, bld.def(bld.lm));
+      /* p_elect is lowered in aco_insert_exec_mask.
+       * Use exec as an operand so value numbering and the pre-RA optimizer won't recognize
+       * two p_elect with different exec masks as the same.
+       */
+      Temp elected = bld.pseudo(aco_opcode::p_elect, bld.def(bld.lm), Operand(exec, bld.lm));
       emit_wqm(bld, elected, get_ssa_temp(ctx, &instr->dest.ssa));
       ctx->block->kind |= block_kind_needs_lowering;
       break;