diff --git a/components/nif/niffile.cpp b/components/nif/niffile.cpp
index 4f1eaae257..52472caaeb 100644
--- a/components/nif/niffile.cpp
+++ b/components/nif/niffile.cpp
@@ -127,6 +127,8 @@ namespace Nif
             { "BSKeyframeController", &construct<BSKeyframeController, RC_BSKeyframeController> },
             { "BSMaterialEmittanceMultController",
                 &construct<NiFloatInterpController, RC_BSMaterialEmittanceMultController> },
+            { "BSNiAlphaPropertyTestRefController",
+                &construct<NiFloatInterpController, RC_BSNiAlphaPropertyTestRefController> },
             { "BSRefractionFirePeriodController",
                 &construct<NiSingleInterpController, RC_BSRefractionFirePeriodController> },
             { "BSRefractionStrengthController",
diff --git a/components/nif/record.hpp b/components/nif/record.hpp
index 8240bf4026..2551fa836c 100644
--- a/components/nif/record.hpp
+++ b/components/nif/record.hpp
@@ -84,6 +84,7 @@ namespace Nif
         RC_BSMultiBoundAABB,
         RC_BSMultiBoundOBB,
         RC_BSMultiBoundSphere,
+        RC_BSNiAlphaPropertyTestRefController,
         RC_BSPackedAdditionalGeometryData,
         RC_BSRefractionFirePeriodController,
         RC_BSRefractionStrengthController,