diff --git a/src/common/net/Job.cpp b/src/common/net/Job.cpp
index 546865356..8dcc11783 100644
--- a/src/common/net/Job.cpp
+++ b/src/common/net/Job.cpp
@@ -137,6 +137,9 @@ bool xmrig::Job::setBlob(const char *blob)
         else if (m_algorithm.variant() == VARIANT_WOW && m_blob[0] < 11) {
             m_algorithm.setVariant(VARIANT_2);
         }
+        else if (m_algorithm.variant() == VARIANT_RWZ && m_blob[0] < 12) {
+            m_algorithm.setVariant(VARIANT_2);
+        }
     }
 
 #   ifdef XMRIG_PROXY_PROJECT