diff --git a/compiler/riscv/aoptcpurv.pas b/compiler/riscv/aoptcpurv.pas
index a226592159..47172bd72f 100644
--- a/compiler/riscv/aoptcpurv.pas
+++ b/compiler/riscv/aoptcpurv.pas
@@ -385,7 +385,7 @@ implementation
                      (taicpu(hp1).ops=3) and
                      MatchOperand(taicpu(p).oper[0]^,taicpu(hp1).oper[1]^) and
                      (taicpu(hp1).oper[2]^.typ=top_const) and
-                     is_imm12(taicpu(p).oper[2]^.val+taicpu(hp1).oper[2]^.val) and
+                     is_imm12(taicpu(p).oper[2]^.val and taicpu(hp1).oper[2]^.val) and
                      (not RegModifiedBetween(taicpu(p).oper[1]^.reg, p,hp1)) and
                      RegEndOfLife(taicpu(p).oper[0]^.reg, taicpu(hp1)) then
                     begin