diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 2961eede..6d73b07c 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -109,17 +109,26 @@ my $cpu_vendor_list = {
     coreduo => 'GenuineIntel',
     core2duo => 'GenuineIntel',
     Conroe  => 'GenuineIntel',
-    Penryn  => 'GenuineIntel', 
+    Penryn  => 'GenuineIntel',
     Nehalem  => 'GenuineIntel',
+    'Nehalem-IBRS'  => 'GenuineIntel',
     Westmere => 'GenuineIntel',
+    'Westmere-IBRS' => 'GenuineIntel',
     SandyBridge => 'GenuineIntel',
+    'SandyBridge-IBRS' => 'GenuineIntel',
     IvyBridge => 'GenuineIntel',
+    'IvyBridge-IBRS' => 'GenuineIntel',
     Haswell => 'GenuineIntel',
+    'Haswell-IBRS' => 'GenuineIntel',
     'Haswell-noTSX' => 'GenuineIntel',
+    'Haswell-noTSX-IBRS' => 'GenuineIntel',
     Broadwell => 'GenuineIntel',
+    'Broadwell-IBRS' => 'GenuineIntel',
     'Broadwell-noTSX' => 'GenuineIntel',
+    'Broadwell-noTSX-IBRS' => 'GenuineIntel',
     'Skylake-Client' => 'GenuineIntel',
-    
+    'Skylake-Client-IBRS' => 'GenuineIntel',
+
     # AMD CPUs
     athlon => 'AuthenticAMD',
     phenom  => 'AuthenticAMD',