diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 8062e1743c1d6d2cf3b7643f81afffcd5c0fcfcc..45b947bcfe49f20b8e4cf63da93bdf951335b23e 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -946,7 +946,6 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist,
     uint64_t sum = 0;
     int off_idx = -1;
     int64_t off_pos = -1;
-    int tbl_entry_size;
     IDEBus *bus = &ad->port;
     BusState *qbus = BUS(bus);
 
@@ -974,6 +973,7 @@ static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist,
     /* Get entries in the PRDT, init a qemu sglist accordingly */
     if (prdtl > 0) {
         AHCI_SG *tbl = (AHCI_SG *)prdt;
+        int tbl_entry_size = 0;
         sum = 0;
         for (i = 0; i < prdtl; i++) {
             tbl_entry_size = prdt_tbl_entry_size(&tbl[i]);