+++ src/VBox/Devices/Graphics/DevVGA.cpp
@@ -6024,10 +5984,10 @@
 #endif /* VBOX_WITH_HGSMI */
 
 #ifdef CONFIG_BOCHS_VBE
-    rc = PDMDevHlpIOPortRegister(pDevIns,  0x1ce,  1, NULL, vgaIOPortWriteVBEIndex, vgaIOPortReadVBEIndex, NULL, NULL, "VGA/VBE - Index");
+    rc = PDMDevHlpIOPortRegister(pDevIns,  0x1ce,  2, NULL, vgaIOPortWriteVBEIndex, vgaIOPortReadVBEIndex, NULL, NULL, "VGA/VBE - Index");
     if (RT_FAILURE(rc))
         return rc;
-    rc = PDMDevHlpIOPortRegister(pDevIns,  0x1cf,  1, NULL, vgaIOPortWriteVBEData, vgaIOPortReadVBEData, NULL, NULL, "VGA/VBE - Data");
+    rc = PDMDevHlpIOPortRegister(pDevIns,  0x1cf,  2, NULL, vgaIOPortWriteVBEData, vgaIOPortReadVBEData, NULL, NULL, "VGA/VBE - Data");
     if (RT_FAILURE(rc))
         return rc;
 #endif /* CONFIG_BOCHS_VBE */
@@ -6470,7 +6430,7 @@
     /*
      * Register I/O Port for the VBE BIOS Extra Data.
      */
-    rc = PDMDevHlpIOPortRegister(pDevIns, VBE_EXTRA_PORT, 1, NULL, vbeIOPortWriteVBEExtra, vbeIOPortReadVBEExtra, NULL, NULL, "VBE BIOS Extra Data");
+    rc = PDMDevHlpIOPortRegister(pDevIns, VBE_EXTRA_PORT, 2, NULL, vbeIOPortWriteVBEExtra, vbeIOPortReadVBEExtra, NULL, NULL, "VBE BIOS Extra Data");
     if (RT_FAILURE(rc))
         return rc;
 #endif /* VBE_NEW_DYN_LIST */
@@ -6478,7 +6438,7 @@
     /*
      * Register I/O Port for the BIOS Logo.
      */
-    rc = PDMDevHlpIOPortRegister(pDevIns, LOGO_IO_PORT, 1, NULL, vbeIOPortWriteCMDLogo, vbeIOPortReadCMDLogo, NULL, NULL, "BIOS Logo");
+    rc = PDMDevHlpIOPortRegister(pDevIns, LOGO_IO_PORT, 2, NULL, vbeIOPortWriteCMDLogo, vbeIOPortReadCMDLogo, NULL, NULL, "BIOS Logo");
     if (RT_FAILURE(rc))
         return rc;