diff --git a/src/app/products/share-products/share-product-stepper/share-product-settings-step/share-product-settings-step.component.html b/src/app/products/share-products/share-product-stepper/share-product-settings-step/share-product-settings-step.component.html
index 1512ce447..0f1fb2f55 100644
--- a/src/app/products/share-products/share-product-stepper/share-product-settings-step/share-product-settings-step.component.html
+++ b/src/app/products/share-products/share-product-stepper/share-product-settings-step/share-product-settings-step.component.html
@@ -104,7 +104,13 @@
 
     <mat-form-field class="flex-48">
       <mat-label>{{ 'labels.inputs.Frequency' | translate }}</mat-label>
-      <input type="number" matInput formControlName="lockinPeriodFrequency" />
+      <input type="number" matInput formControlName="lockinPeriodFrequency" min="1" step="1" required />
+      <mat-error *ngIf="shareProductSettingsForm.get('lockinPeriodFrequency').hasError('required')">
+        Frequency is <strong>required</strong>
+      </mat-error>
+      <mat-error *ngIf="shareProductSettingsForm.get('lockinPeriodFrequency').hasError('min')">
+        Frequency must be greater than zero
+      </mat-error>
     </mat-form-field>
 
     <mat-form-field class="flex-48">