diff --git a/index.html b/index.html
index 22037a59..f901c6c8 100644
--- a/index.html
+++ b/index.html
@@ -412,6 +412,10 @@
                             currentVersion = currentVersion * 10;
                         }
 
+                        if (latestVersion < 1000) {
+                            latestVersion = latestVersion * 10;
+                        }
+
                         if (latestVersion > currentVersion) {
                             $("#updateNotificationBar").html('<div class="alert alert-info alert-dismissable fade in">' +
                                 '<a href="#" class="close" data-dismiss="alert" aria-label="close">&times;</a>' +
diff --git a/src/net/Job.cpp b/src/net/Job.cpp
index 4f162d00..b0759113 100644
--- a/src/net/Job.cpp
+++ b/src/net/Job.cpp
@@ -144,7 +144,9 @@ PowVariant Job::powVariant() const
     }
 
     if (m_powVariant == PowVariant::POW_AUTODETECT) {
-        if (m_blob[0] > 7) {
+        if (m_blob[0] >= 10) {
+            return PowVariant::POW_V4;
+        } else if (m_blob[0] > 7) {
             return PowVariant::POW_V2;
         } else if (m_blob[0] > 6) {
             return PowVariant::POW_V1;
@@ -163,6 +165,18 @@ PowVariant Job::powVariant() const
                 return PowVariant::POW_FAST_2;
             }
         }
+    } else if (m_powVariant == PowVariant::POW_RWZ) {
+        if (!Options::i()->forcePowVariant()) {
+            if (m_blob[0] < 12) {
+                return PowVariant::POW_V2;
+            }
+        }
+    } else if (m_powVariant == PowVariant::POW_ZELERIUS) {
+        if (!Options::i()->forcePowVariant()) {
+            if (m_blob[0] < 8) {
+                return PowVariant::POW_V2;
+            }
+        }
     }
 
     return m_powVariant;