diff --git a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/core/GreenbidsInferenceDataService.java b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/core/GreenbidsInferenceDataService.java
index c16a8de917f..ce0b9f3f806 100644
--- a/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/core/GreenbidsInferenceDataService.java
+++ b/extra/modules/greenbids-real-time-data/src/main/java/org/prebid/server/hooks/modules/greenbids/real/time/data/core/GreenbidsInferenceDataService.java
@@ -115,7 +115,7 @@ private List<ThrottlingMessage> extractMessagesForImp(
     private static String getCountryNameFromAlpha2(String isoCode) {
         return StringUtils.isBlank(isoCode)
                 ? StringUtils.EMPTY
-                : new Locale(StringUtils.EMPTY, isoCode).getDisplayCountry();
+                : Locale.forLanguageTag("und-" + isoCode).getDisplayCountry(Locale.ENGLISH);
     }
 
     private String getCountry(String ip) {