diff --git a/internal/object-controller/controllers/clusterobjectset_controller.go b/internal/object-controller/controllers/clusterobjectset_controller.go
index 32cc90cdb6..9e6d4b15a8 100644
--- a/internal/object-controller/controllers/clusterobjectset_controller.go
+++ b/internal/object-controller/controllers/clusterobjectset_controller.go
@@ -224,9 +224,9 @@ func (c *ClusterObjectSetReconciler) reconcile(ctx context.Context, cos *ocv1.Cl
 		}
 	}
 
-	revVersion := cos.GetAnnotations()[labels.BundleVersionKey]
+	revisionNumber := cos.Spec.Revision
 	if rres.InTransition() {
-		markAsProgressing(l, cos, ocv1.ReasonRollingOut, fmt.Sprintf("Revision %s is rolling out.", revVersion), isDeadlineExceeded)
+		markAsProgressing(l, cos, ocv1.ReasonRollingOut, fmt.Sprintf("Revision %d is rolling out.", revisionNumber), isDeadlineExceeded)
 	}
 
 	//nolint:nestif
@@ -246,7 +246,7 @@ func (c *ClusterObjectSetReconciler) reconcile(ctx context.Context, cos *ocv1.Cl
 			}
 		}
 
-		markAsProgressing(l, cos, ocv1.ReasonSucceeded, fmt.Sprintf("Revision %s has rolled out.", revVersion), isDeadlineExceeded)
+		markAsProgressing(l, cos, ocv1.ReasonSucceeded, fmt.Sprintf("Revision %d has rolled out.", revisionNumber), isDeadlineExceeded)
 		markAsAvailable(cos, ocv1.ClusterObjectSetReasonProbesSucceeded, "Objects are available and pass all probes.")
 
 		// Record the timestamp of the first time the revision was observed to be
@@ -286,9 +286,9 @@ func (c *ClusterObjectSetReconciler) reconcile(ctx context.Context, cos *ocv1.Cl
 		if len(probeFailureMsgs) > 0 {
 			markAsUnavailable(cos, ocv1.ClusterObjectSetReasonProbeFailure, strings.Join(probeFailureMsgs, "\n"))
 		} else {
-			markAsUnavailable(cos, ocv1.ReasonRollingOut, fmt.Sprintf("Revision %s is rolling out.", revVersion))
+			markAsUnavailable(cos, ocv1.ReasonRollingOut, fmt.Sprintf("Revision %d is rolling out.", revisionNumber))
 		}
-		markAsProgressing(l, cos, ocv1.ReasonRollingOut, fmt.Sprintf("Revision %s is rolling out.", revVersion), isDeadlineExceeded)
+		markAsProgressing(l, cos, ocv1.ReasonRollingOut, fmt.Sprintf("Revision %d is rolling out.", revisionNumber), isDeadlineExceeded)
 		if hasDeadline && !isDeadlineExceeded {
 			return ctrl.Result{RequeueAfter: remaining}, nil
 		}
diff --git a/internal/object-controller/controllers/clusterobjectset_controller_test.go b/internal/object-controller/controllers/clusterobjectset_controller_test.go
index f5ebd7c441..808762c62f 100644
--- a/internal/object-controller/controllers/clusterobjectset_controller_test.go
+++ b/internal/object-controller/controllers/clusterobjectset_controller_test.go
@@ -98,7 +98,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_RevisionReconciliation(t *testing
 					Type:               ocv1.ClusterObjectSetTypeAvailable,
 					Status:             metav1.ConditionTrue,
 					Reason:             ocv1.ClusterObjectSetReasonProbesSucceeded,
-					Message:            "Revision 1.0.0 is rolled out.",
+					Message:            "Revision 1 is rolled out.",
 					ObservedGeneration: 1,
 				})
 				return []client.Object{ext, rev1}
@@ -136,7 +136,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_RevisionReconciliation(t *testing
 				require.NotNil(t, cond)
 				require.Equal(t, metav1.ConditionFalse, cond.Status)
 				require.Equal(t, ocv1.ReasonRollingOut, cond.Reason)
-				require.Equal(t, "Revision 1.0.0 is rolling out.", cond.Message)
+				require.Equal(t, "Revision 1 is rolling out.", cond.Message)
 				require.Equal(t, int64(1), cond.ObservedGeneration)
 			},
 		},
@@ -360,7 +360,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_RevisionReconciliation(t *testing
 				require.NotNil(t, cond)
 				require.Equal(t, metav1.ConditionTrue, cond.Status)
 				require.Equal(t, ocv1.ReasonRollingOut, cond.Reason)
-				require.Equal(t, "Revision 1.0.0 is rolling out.", cond.Message)
+				require.Equal(t, "Revision 1 is rolling out.", cond.Message)
 				require.Equal(t, int64(1), cond.ObservedGeneration)
 			},
 		},
@@ -378,7 +378,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_RevisionReconciliation(t *testing
 					Type:               ocv1.TypeProgressing,
 					Status:             metav1.ConditionTrue,
 					Reason:             ocv1.ReasonRollingOut,
-					Message:            "Revision 1.0.0 is rolling out.",
+					Message:            "Revision 1 is rolling out.",
 					ObservedGeneration: 1,
 				})
 				return []client.Object{ext, rev1}
@@ -393,7 +393,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_RevisionReconciliation(t *testing
 				require.NotNil(t, cond)
 				require.Equal(t, metav1.ConditionTrue, cond.Status)
 				require.Equal(t, ocv1.ReasonSucceeded, cond.Reason)
-				require.Equal(t, "Revision 1.0.0 has rolled out.", cond.Message)
+				require.Equal(t, "Revision 1 has rolled out.", cond.Message)
 				require.Equal(t, int64(1), cond.ObservedGeneration)
 			},
 		},
@@ -425,7 +425,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_RevisionReconciliation(t *testing
 				require.NotNil(t, cond)
 				require.Equal(t, metav1.ConditionTrue, cond.Status)
 				require.Equal(t, ocv1.ReasonSucceeded, cond.Reason)
-				require.Equal(t, "Revision 1.0.0 has rolled out.", cond.Message)
+				require.Equal(t, "Revision 1 has rolled out.", cond.Message)
 				require.Equal(t, int64(1), cond.ObservedGeneration)
 
 				require.False(t, rev.Status.CompletedAt.IsZero(), "completedAt should be set on successful rollout")
@@ -1097,7 +1097,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_ProgressDeadline(t *testing.T) {
 					Type:               ocv1.ClusterObjectSetTypeProgressing,
 					Status:             metav1.ConditionFalse,
 					Reason:             ocv1.ReasonProgressDeadlineExceeded,
-					Message:            "Revision has not rolled out for 1 minute(s). Last status: Revision 1.0.0 is rolling out.",
+					Message:            "Revision has not rolled out for 1 minute(s). Last status: Revision 1 is rolling out.",
 					ObservedGeneration: rev1.Generation,
 				})
 				return []client.Object{rev1, ext}
@@ -1116,7 +1116,7 @@ func Test_ClusterObjectSetReconciler_Reconcile_ProgressDeadline(t *testing.T) {
 				require.NotNil(t, cnd)
 				require.Equal(t, metav1.ConditionTrue, cnd.Status)
 				require.Equal(t, ocv1.ReasonSucceeded, cnd.Reason)
-				require.Equal(t, "Revision 1.0.0 has rolled out.", cnd.Message)
+				require.Equal(t, "Revision 1 has rolled out.", cnd.Message)
 			},
 		},
 		{
diff --git a/test/e2e/features/install.feature b/test/e2e/features/install.feature
index 570b231aed..2611edeec0 100644
--- a/test/e2e/features/install.feature
+++ b/test/e2e/features/install.feature
@@ -373,7 +373,7 @@ Feature: Install ClusterExtension
     Then ClusterObjectSet "${NAME}-1" reports Progressing as False with Reason ProgressDeadlineExceeded
     And ClusterExtension reports Progressing as False with Reason ProgressDeadlineExceeded and Message:
       """
-      Revision has not rolled out for 1 minute(s). Last status: Revision 1.0.2 is rolling out.
+      Revision has not rolled out for 1 minute(s). Last status: Revision 1 is rolling out.
       """
     And ClusterExtension reports Progressing transition between 1 and 2 minutes since its creation
 
@@ -407,7 +407,7 @@ Feature: Install ClusterExtension
     Then ClusterObjectSet "${NAME}-1" reports Progressing as False with Reason ProgressDeadlineExceeded
     And ClusterExtension reports Progressing as False with Reason ProgressDeadlineExceeded and Message:
       """
-      Revision has not rolled out for 1 minute(s). Last status: Revision 1.0.3 is rolling out.
+      Revision has not rolled out for 1 minute(s). Last status: Revision 1 is rolling out.
       """
     And ClusterExtension reports Progressing transition between 1 and 2 minutes since its creation