diff --git a/src/net/Job.cpp b/src/net/Job.cpp
index b9d7372c0..8b1966aa3 100644
--- a/src/net/Job.cpp
+++ b/src/net/Job.cpp
@@ -27,7 +27,6 @@
 
 
 #include "net/Job.h"
-#include "xmrig.h"
 
 
 static inline unsigned char hf_hex2bin(char c, bool &err)
@@ -165,26 +164,6 @@ bool Job::setTarget(const char *target)
 }
 
 
-int Job::variant() const
-{
-    if (m_variant != xmrig::VARIANT_AUTO) {
-        return m_variant;
-    }
-
-    const uint8_t version = m_blob[0];
-
-#   if !defined(XMRIG_NO_AEON)
-    if (m_algo == xmrig::ALGO_CRYPTONIGHT) {
-        return version > 6 ? 1 : 0;
-    }
-
-    return version > 1 ? 1 : 0;
-#   else
-    return version > 6 ? 1 : 0;
-#   endif
-}
-
-
 void Job::setCoin(const char *coin)
 {
     if (!coin || strlen(coin) > 4) {
diff --git a/src/net/Job.h b/src/net/Job.h
index 28d5e111b..545eaa888 100644
--- a/src/net/Job.h
+++ b/src/net/Job.h
@@ -32,6 +32,7 @@
 
 #include "align.h"
 #include "net/Id.h"
+#include "xmrig.h"
 
 
 class Job
@@ -43,7 +44,6 @@ public:
 
     bool setBlob(const char *blob);
     bool setTarget(const char *target);
-    int variant() const;
     void setCoin(const char *coin);
     void setVariant(int variant);
 
@@ -56,6 +56,7 @@ public:
     inline const xmrig::Id &id() const     { return m_id; }
     inline int poolId() const              { return m_poolId; }
     inline int threadId() const            { return m_threadId; }
+    inline int variant() const             { return (m_variant == xmrig::VARIANT_AUTO ? (m_blob[0] > 6 ? 1 : 0) : m_variant); }
     inline size_t size() const             { return m_size; }
     inline uint32_t *nonce()               { return reinterpret_cast<uint32_t*>(m_blob + 39); }
     inline uint32_t diff() const           { return (uint32_t) m_diff; }