diff --git a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/models/openrtb/bidRequests/Device.java b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/models/openrtb/bidRequests/Device.java
index 6e0edd251..b18d94d5d 100644
--- a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/models/openrtb/bidRequests/Device.java
+++ b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/models/openrtb/bidRequests/Device.java
@@ -137,6 +137,7 @@ public Ext getExt() {
     private static String getDeviceName() {
         if (deviceName == null) {
             deviceName = parseDeviceName();
+            if (deviceName.isBlank()) return null;
             return deviceName;
         }