diff --git a/apis/keda/v1alpha1/scaledobject_types.go b/apis/keda/v1alpha1/scaledobject_types.go
index e35ec931fc8..c2c670819ec 100644
--- a/apis/keda/v1alpha1/scaledobject_types.go
+++ b/apis/keda/v1alpha1/scaledobject_types.go
@@ -112,6 +112,7 @@ type Fallback struct {
 	FailureThreshold int32 `json:"failureThreshold"`
 	Replicas         int32 `json:"replicas"`
 	// +optional
+	// +kubebuilder:default=static
 	// +kubebuilder:validation:Enum=static;useCurrentReplicasAsMinimum
 	Behavior string `json:"behavior,omitempty"`
 }
diff --git a/config/crd/bases/keda.sh_scaledobjects.yaml b/config/crd/bases/keda.sh_scaledobjects.yaml
index 479fedef457..c6d7d4c6a5d 100644
--- a/config/crd/bases/keda.sh_scaledobjects.yaml
+++ b/config/crd/bases/keda.sh_scaledobjects.yaml
@@ -226,6 +226,10 @@ spec:
                 description: Fallback is the spec for fallback options
                 properties:
                   behavior:
+                    default: static
+                    enum:
+                    - static
+                    - useCurrentReplicasAsMinimum
                     type: string
                   failureThreshold:
                     format: int32
diff --git a/pkg/fallback/fallback.go b/pkg/fallback/fallback.go
index 345372fef69..81b28157f32 100644
--- a/pkg/fallback/fallback.go
+++ b/pkg/fallback/fallback.go
@@ -111,12 +111,6 @@ func HasValidFallback(scaledObject *kedav1alpha1.ScaledObject) bool {
 
 func doFallback(scaledObject *kedav1alpha1.ScaledObject, metricSpec v2.MetricSpec, metricName string, currentReplicas int32, suppressedError error) []external_metrics.ExternalMetricValue {
 	fallbackBehavior := scaledObject.Spec.Fallback.Behavior
-
-	// Check if behavior is empty
-	if fallbackBehavior == "" {
-		fallbackBehavior = kedav1alpha1.FallbackBehaviorStatic
-	}
-
 	fallbackReplicas := int64(scaledObject.Spec.Fallback.Replicas)
 	var replicas int64
 
diff --git a/pkg/scaling/executor/scale_scaledobjects.go b/pkg/scaling/executor/scale_scaledobjects.go
index dea1a52d969..c4ee9324f40 100644
--- a/pkg/scaling/executor/scale_scaledobjects.go
+++ b/pkg/scaling/executor/scale_scaledobjects.go
@@ -207,12 +207,6 @@ func (e *scaleExecutor) RequestScale(ctx context.Context, scaledObject *kedav1al
 
 func (e *scaleExecutor) doFallbackScaling(ctx context.Context, scaledObject *kedav1alpha1.ScaledObject, currentScale *autoscalingv1.Scale, logger logr.Logger, currentReplicas int32) {
 	fallbackBehavior := scaledObject.Spec.Fallback.Behavior
-
-	// Check if behavior is empty
-	if fallbackBehavior == "" {
-		fallbackBehavior = kedav1alpha1.FallbackBehaviorStatic
-	}
-
 	fallbackReplicas := scaledObject.Spec.Fallback.Replicas
 
 	switch fallbackBehavior {