diff --git a/custom/apps/mining-checker/assets/js/app.js b/custom/apps/mining-checker/assets/js/app.js
index 3198b952..1ffaf42d 100644
--- a/custom/apps/mining-checker/assets/js/app.js
+++ b/custom/apps/mining-checker/assets/js/app.js
@@ -1505,6 +1505,12 @@
     }, [currentSettings.crypto_currency]);
 
     useEffect(() => {
+      if (activeTab !== 'mining') {
+        setPreviewMinerOffers([]);
+        setPreviewOffersLoading(false);
+        return undefined;
+      }
+
       const shouldPreview = selectedOfferType === 'crypto'
         ? Number(offerPreviewForm.crypto_base_price_amount) > 0
         : Number(offerPreviewForm.fiat_base_price_amount) > 0 && Number(minerOfferFilters.speed_min) > 0;
@@ -1544,6 +1550,7 @@
       minerOfferFilters.speed_min,
       projectKey,
       selectedOfferType,
+      activeTab,
     ]);
 
     useEffect(() => {