diff --git a/pkg/volume/vsphere_volume/vsphere_volume_util.go b/pkg/volume/vsphere_volume/vsphere_volume_util.go
index 35dacb5ce9f..98d4ae28ea8 100644
--- a/pkg/volume/vsphere_volume/vsphere_volume_util.go
+++ b/pkg/volume/vsphere_volume/vsphere_volume_util.go
@@ -94,11 +94,12 @@ func (util *VsphereDiskUtil) CreateVolume(v *vsphereVolumeProvisioner, selectedZ
 	}
 
 	capacity := v.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
-	// vSphere works with kilobytes, convert to KiB with rounding up
-	volSizeKiB, err := volumehelpers.RoundUpToKiBInt(capacity)
+	// vSphere works with KiB, but its minimum allocation unit is 1 MiB
+	volSizeMiB, err := volumehelpers.RoundUpToMiBInt(capacity)
 	if err != nil {
 		return nil, err
 	}
+	volSizeKiB := volSizeMiB * 1024
 	name := volumeutil.GenerateVolumeName(v.options.ClusterName, v.options.PVName, 255)
 	volumeOptions := &vclib.VolumeOptions{
 		CapacityKB: volSizeKiB,