diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 6422618a4f75..4eff0a3810ca 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -387,6 +387,7 @@ CONFIG_CGROUP_NET_PRIO=y
 CONFIG_BPF_JIT=y
 CONFIG_NET_PKTGEN=m
 CONFIG_PCI=y
+CONFIG_PCI_IOV=y
 # CONFIG_PCIEASPM is not set
 CONFIG_PCI_DEBUG=y
 CONFIG_HOTPLUG_PCI=y
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index 371a529546aa..8e8bc93fe047 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -377,6 +377,7 @@ CONFIG_CGROUP_NET_PRIO=y
 CONFIG_BPF_JIT=y
 CONFIG_NET_PKTGEN=m
 CONFIG_PCI=y
+CONFIG_PCI_IOV=y
 # CONFIG_PCIEASPM is not set
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_S390=y