diff --git a/masterserver/web/server/index.php b/masterserver/web/server/index.php
index a3cd250f8..405988c9d 100644
--- a/masterserver/web/server/index.php
+++ b/masterserver/web/server/index.php
@@ -140,6 +140,17 @@ if ($link && $db) {
 					$version = $row['new_version'];
 					if ($version) {
 						$message .= 'Version=' . $version . PHP_EOL;
+						// strip build version from client request
+						$n = 0;
+						for($i=0;$i<strlen($client_version);$i++){
+							if($client_version[$i]=='.'){
+								$n++;
+								if($n>=3){
+									break;
+								}
+							}
+						}
+						$client_version = substr($client_version,0,$i);
 						if (version_compare($client_version, $version) < 0) { //We need to update
 							$result = mysql_query('SELECT `file` FROM `' . $prefix . 'update` WHERE `old_version` = \'' . $client_version . '\' AND `platform` = \'' . $platform . '\'');
 							$row = mysql_fetch_assoc($result);
diff --git a/src/gui/C4UpdateDlg.cpp b/src/gui/C4UpdateDlg.cpp
index 5e78de234..d4b3f1f23 100644
--- a/src/gui/C4UpdateDlg.cpp
+++ b/src/gui/C4UpdateDlg.cpp
@@ -317,7 +317,7 @@ bool C4UpdateDlg::CheckForUpdates(C4GUI::Screen *pScreen, bool fAutomatic)
 
 	C4Network2UpdateClient UpdateClient;
 	bool fSuccess = false, fAborted = false;
-	StdStrBuf strVersion; strVersion.Format("%d.%d.%d.%d", C4XVER1, C4XVER2, C4XVER3, C4XVER4);
+	StdStrBuf strVersion; strVersion.Format("%d.%d.%d", C4XVER1, C4XVER2, C4XVER3);
 	StdStrBuf strQuery; strQuery.Format("%s?version=%s&platform=%s&action=version", Config.Network.UpdateServerAddress, strVersion.getData(), C4_OS);
 	if (UpdateClient.Init() && UpdateClient.SetServer(strQuery.getData()) && UpdateClient.QueryUpdateURL())
 	{