diff --git a/pkg/instancetype/compatibility.go b/pkg/instancetype/compatibility.go
index e3a51798bb64..c78e5b684c6f 100644
--- a/pkg/instancetype/compatibility.go
+++ b/pkg/instancetype/compatibility.go
@@ -41,10 +41,6 @@ func decodeOldInstancetypeRevisionObject(data []byte) (*instancetypev1alpha1.Vir
 		return nil, nil
 	}
 
-	if revision.APIVersion != instancetypev1alpha1.SchemeGroupVersion.String() {
-		return nil, nil
-	}
-
 	instancetypeSpec := &instancetypev1alpha1.VirtualMachineInstancetypeSpec{}
 	err = json.Unmarshal(revision.Spec, instancetypeSpec)
 	if err != nil {
@@ -71,10 +67,6 @@ func decodeOldPreferenceRevisionObject(data []byte) (*instancetypev1alpha1.Virtu
 		return nil, nil
 	}
 
-	if revision.APIVersion != instancetypev1alpha1.SchemeGroupVersion.String() {
-		return nil, nil
-	}
-
 	preferenceSpec := &instancetypev1alpha1.VirtualMachinePreferenceSpec{}
 	err = json.Unmarshal(revision.Spec, preferenceSpec)
 	if err != nil {
diff --git a/pkg/instancetype/compatibility_test.go b/pkg/instancetype/compatibility_test.go
index 8cb5110fc4c5..ab5861860ed1 100644
--- a/pkg/instancetype/compatibility_test.go
+++ b/pkg/instancetype/compatibility_test.go
@@ -16,7 +16,7 @@ import (
 
 var _ = Describe("instancetype compatibility", func() {
 	Context("reading old ControllerRevision", func() {
-		It("should decode v1alpha1 instancetype from ControllerRevision", func() {
+		DescribeTable("should decode v1alpha1 instancetype from ControllerRevision", func(apiVersion string) {
 			instancetypeSpec := v1alpha1.VirtualMachineInstancetypeSpec{
 				CPU: v1alpha1.CPUInstancetype{
 					Guest: 4,
@@ -27,7 +27,7 @@ var _ = Describe("instancetype compatibility", func() {
 			Expect(err).ToNot(HaveOccurred())
 
 			revision := v1alpha1.VirtualMachineInstancetypeSpecRevision{
-				APIVersion: v1alpha1.SchemeGroupVersion.String(),
+				APIVersion: apiVersion,
 				Spec:       specBytes,
 			}
 
@@ -38,9 +38,12 @@ var _ = Describe("instancetype compatibility", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(decoded).ToNot(BeNil())
 			Expect(decoded.Spec.CPU).To(Equal(instancetypeSpec.CPU))
-		})
+		},
+			Entry("with APIVersion", v1alpha1.SchemeGroupVersion.String()),
+			Entry("without APIVersion", ""),
+		)
 
-		It("should decode v1alpha1 preference from ControllerRevision", func() {
+		DescribeTable("should decode v1alpha1 preference from ControllerRevision", func(apiVersion string) {
 			preferredTopology := v1alpha1.PreferCores
 			preferenceSpec := v1alpha1.VirtualMachinePreferenceSpec{
 				CPU: &v1alpha1.CPUPreferences{
@@ -52,7 +55,7 @@ var _ = Describe("instancetype compatibility", func() {
 			Expect(err).ToNot(HaveOccurred())
 
 			revision := v1alpha1.VirtualMachinePreferenceSpecRevision{
-				APIVersion: v1alpha1.SchemeGroupVersion.String(),
+				APIVersion: apiVersion,
 				Spec:       specBytes,
 			}
 
@@ -63,7 +66,11 @@ var _ = Describe("instancetype compatibility", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(decoded).ToNot(BeNil())
 			Expect(decoded.Spec).To(Equal(preferenceSpec))
-		})
+
+		},
+			Entry("with APIVersion", v1alpha1.SchemeGroupVersion.String()),
+			Entry("without APIVersion", ""),
+		)
 	})
 
 	Context("instancetype conversion", func() {
diff --git a/pkg/instancetype/instancetype_test.go b/pkg/instancetype/instancetype_test.go
index 9cd50521e5bf..2bcb8992c948 100644
--- a/pkg/instancetype/instancetype_test.go
+++ b/pkg/instancetype/instancetype_test.go
@@ -163,6 +163,9 @@ var _ = Describe("Instancetype and Preferences", func() {
 						CPU: instancetypev1alpha2.CPUInstancetype{
 							Guest: uint32(2),
 						},
+						Memory: instancetypev1alpha2.MemoryInstancetype{
+							Guest: resource.MustParse("128Mi"),
+						},
 					},
 				}
 
@@ -283,7 +286,7 @@ var _ = Describe("Instancetype and Preferences", func() {
 				Expect(instancetypeMethods.StoreControllerRevisions(vm)).To(MatchError(ContainSubstring("VM field conflicts with selected Instancetype")))
 			})
 
-			It("find fails to decode v1alpha1 VirtualMachineInstancetypeSpecRevision ControllerRevision without APIVersion set - bug #9261", func() {
+			It("find successfully decodes v1alpha1 VirtualMachineInstancetypeSpecRevision ControllerRevision without APIVersion set - bug #9261", func() {
 				specData, err := json.Marshal(clusterInstancetype.Spec)
 				Expect(err).ToNot(HaveOccurred())
 
@@ -314,9 +317,9 @@ var _ = Describe("Instancetype and Preferences", func() {
 					Kind:         apiinstancetype.ClusterSingularResourceName,
 				}
 
-				_, err = instancetypeMethods.FindInstancetypeSpec(vm)
-				Expect(err).To(HaveOccurred())
-				Expect(err.Error()).To(ContainSubstring("Object 'Kind' is missing in"))
+				foundInstancetypeSpec, err := instancetypeMethods.FindInstancetypeSpec(vm)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(*foundInstancetypeSpec).To(Equal(clusterInstancetype.Spec))
 			})
 		})
 
@@ -343,6 +346,9 @@ var _ = Describe("Instancetype and Preferences", func() {
 						CPU: instancetypev1alpha2.CPUInstancetype{
 							Guest: uint32(2),
 						},
+						Memory: instancetypev1alpha2.MemoryInstancetype{
+							Guest: resource.MustParse("128Mi"),
+						},
 					},
 				}
 
@@ -462,7 +468,7 @@ var _ = Describe("Instancetype and Preferences", func() {
 				Expect(instancetypeMethods.StoreControllerRevisions(vm)).To(MatchError(ContainSubstring("VM field conflicts with selected Instancetype")))
 			})
 
-			It("find fails to decode v1alpha1 VirtualMachineInstancetypeSpecRevision ControllerRevision without APIVersion set - bug #9261", func() {
+			It("find successfully decodes v1alpha1 VirtualMachineInstancetypeSpecRevision ControllerRevision without APIVersion set - bug #9261", func() {
 				specData, err := json.Marshal(fakeInstancetype.Spec)
 				Expect(err).ToNot(HaveOccurred())
 
@@ -493,9 +499,9 @@ var _ = Describe("Instancetype and Preferences", func() {
 					Kind:         apiinstancetype.SingularResourceName,
 				}
 
-				_, err = instancetypeMethods.FindInstancetypeSpec(vm)
-				Expect(err).To(HaveOccurred())
-				Expect(err.Error()).To(ContainSubstring("Object 'Kind' is missing in"))
+				foundInstancetypeSpec, err := instancetypeMethods.FindInstancetypeSpec(vm)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(*foundInstancetypeSpec).To(Equal(fakeInstancetype.Spec))
 			})
 		})
 	})