diff --git a/tcg/tcg-be-ldst.h b/tcg/tcg-be-ldst.h
index 2826d296d7..284db0c70d 100644
--- a/tcg/tcg-be-ldst.h
+++ b/tcg/tcg-be-ldst.h
@@ -25,7 +25,7 @@
 
 typedef struct TCGLabelQemuLdst {
     int is_ld:1;            /* qemu_ld: 1, qemu_st: 0 */
-    int opc:4;
+    TCGMemOp opc:4;
     TCGReg addrlo_reg;      /* reg index for low word of guest virtual addr */
     TCGReg addrhi_reg;      /* reg index for high word of guest virtual addr */
     TCGReg datalo_reg;      /* reg index for low word to be loaded or stored */