diff --git a/rEFIt_UEFI/Platform/Settings.cpp b/rEFIt_UEFI/Platform/Settings.cpp
index f1d14d7e8..dadeb0fe4 100644
--- a/rEFIt_UEFI/Platform/Settings.cpp
+++ b/rEFIt_UEFI/Platform/Settings.cpp
@@ -3045,8 +3045,9 @@ if ( !Prop ) panic("Cannot find AvoidRuntimeDefrag in OcQuirks under root (OC bo
       Prop = OcQuirksDict->propertyForKey("AppleXcpmForceBoost");
       gSettings.KernelAndKextPatches.OcKernelQuirks.AppleXcpmForceBoost = IsPropertyNotNullAndTrue(Prop);
 
-      Prop = OcQuirksDict->propertyForKey("CustomSMBIOSGuid");
-      gSettings.KernelAndKextPatches.OcKernelQuirks.CustomSmbiosGuid = IsPropertyNotNullAndTrue(Prop);
+// We can't use that Quirks because we don't delegate SMBios to OC.
+//      Prop = OcQuirksDict->propertyForKey("CustomSMBIOSGuid");
+//      gSettings.KernelAndKextPatches.OcKernelQuirks.CustomSmbiosGuid = IsPropertyNotNullAndTrue(Prop);
 
       Prop = OcQuirksDict->propertyForKey("DisableIoMapper");
 if ( !Prop ) panic("Cannot find DisableIoMapper in config.plist/Quirks. You forgot to merge your quirks into one section. Update your config.plist");
diff --git a/rEFIt_UEFI/refit/main.cpp b/rEFIt_UEFI/refit/main.cpp
index 64963fe18..86d9a0838 100644
--- a/rEFIt_UEFI/refit/main.cpp
+++ b/rEFIt_UEFI/refit/main.cpp
@@ -1002,6 +1002,7 @@ DBG("Beginning OC\n");
   OC_STRING_ASSIGN(mOpenCoreConfiguration.Kernel.Scheme.KernelCache, gSettings.KernelAndKextPatches.OcKernelCache.c_str());
   mOpenCoreConfiguration.Kernel.Scheme.FuzzyMatch = gSettings.KernelAndKextPatches.FuzzyMatch;
   memcpy(&mOpenCoreConfiguration.Kernel.Quirks, &gSettings.KernelAndKextPatches.OcKernelQuirks, sizeof(mOpenCoreConfiguration.Kernel.Quirks));
+  mOpenCoreConfiguration.Kernel.Quirks.CustomSmbiosGuid = false; // To be double sure. But we don't have settings in config.plist so it should already be false
 
   mOpenCoreConfiguration.Kernel.Add.Count = (UINT32)kextArray.size();
   mOpenCoreConfiguration.Kernel.Add.AllocCount = mOpenCoreConfiguration.Kernel.Add.Count;