diff --git a/boards/arm/qemu/qemu-armv7a/src/qemu_bringup.c b/boards/arm/qemu/qemu-armv7a/src/qemu_bringup.c
index e281f161f5..ff827658f2 100644
--- a/boards/arm/qemu/qemu-armv7a/src/qemu_bringup.c
+++ b/boards/arm/qemu/qemu-armv7a/src/qemu_bringup.c
@@ -39,7 +39,7 @@
 #define QEMU_VIRTIO_MMIO_BASE    0x0a000000
 #define QEMU_VIRTIO_MMIO_REGSIZE 0x200
 #define QEMU_VIRTIO_MMIO_IRQ     48
-#define QEMU_VIRTIO_MMIO_NUM     4
+#define QEMU_VIRTIO_MMIO_NUM     32
 
 /****************************************************************************
  * Private Functions
diff --git a/boards/arm64/qemu/qemu-armv8a/src/qemu_bringup.c b/boards/arm64/qemu/qemu-armv8a/src/qemu_bringup.c
index b3f850f2bd..3836195791 100644
--- a/boards/arm64/qemu/qemu-armv8a/src/qemu_bringup.c
+++ b/boards/arm64/qemu/qemu-armv8a/src/qemu_bringup.c
@@ -39,7 +39,7 @@
 #define QEMU_VIRTIO_MMIO_BASE    0x0a000000
 #define QEMU_VIRTIO_MMIO_REGSIZE 0x200
 #define QEMU_VIRTIO_MMIO_IRQ     48
-#define QEMU_VIRTIO_MMIO_NUM     4
+#define QEMU_VIRTIO_MMIO_NUM     32
 
 /****************************************************************************
  * Private Functions
diff --git a/boards/risc-v/qemu-rv/rv-virt/src/qemu_rv_appinit.c b/boards/risc-v/qemu-rv/rv-virt/src/qemu_rv_appinit.c
index e8599d2b19..b7d93a1e10 100644
--- a/boards/risc-v/qemu-rv/rv-virt/src/qemu_rv_appinit.c
+++ b/boards/risc-v/qemu-rv/rv-virt/src/qemu_rv_appinit.c
@@ -45,7 +45,7 @@
 #else
 #  define QEMU_VIRTIO_MMIO_IRQ   28
 #endif
-#define QEMU_VIRTIO_MMIO_NUM     4
+#define QEMU_VIRTIO_MMIO_NUM     8
 
 /****************************************************************************
  * Private Functions