diff --git a/compiler/avr/aoptcpu.pas b/compiler/avr/aoptcpu.pas
index 3a99b9864b..7d55ca8763 100644
--- a/compiler/avr/aoptcpu.pas
+++ b/compiler/avr/aoptcpu.pas
@@ -179,7 +179,7 @@ Implementation
          exit;
        end;
       p := taicpu(hp);
-      Result := ((p.opcode in [A_LDI,A_MOV,A_LDS]) and (reg=p.oper[0]^.reg) and ((p.oper[1]^.typ<>top_reg) or (reg<>p.oper[0]^.reg))) or
+      Result := ((p.opcode in [A_LDI,A_MOV,A_LDS]) and (reg=p.oper[0]^.reg) and ((p.oper[1]^.typ<>top_reg) or (reg<>p.oper[1]^.reg))) or
         ((p.opcode in [A_LD,A_LDD,A_LPM]) and (reg=p.oper[0]^.reg) and not(RegInRef(reg,p.oper[1]^.ref^))) or
         ((p.opcode in [A_MOVW]) and ((reg=p.oper[0]^.reg) or (TRegister(ord(reg)+1)=p.oper[0]^.reg)) and not(reg=p.oper[1]^.reg) and not(TRegister(ord(reg)+1)=p.oper[1]^.reg)) or
         ((p.opcode in [A_POP]) and (reg=p.oper[0]^.reg));