diff --git a/source/MaterialXTest/MaterialXGenMsl/GenMsl.cpp b/source/MaterialXTest/MaterialXGenMsl/GenMsl.cpp
index 976819df4b..b0309ea44d 100644
--- a/source/MaterialXTest/MaterialXGenMsl/GenMsl.cpp
+++ b/source/MaterialXTest/MaterialXGenMsl/GenMsl.cpp
@@ -84,7 +84,7 @@ TEST_CASE("GenShader: MSL Implementation Check", "[genmsl]")
 
     mx::StringSet generatorSkipNodeTypes;
     mx::StringSet generatorSkipNodeDefs;
-    GenShaderUtil::checkImplementations(context, generatorSkipNodeTypes, generatorSkipNodeDefs, 34);
+    GenShaderUtil::checkImplementations(context, generatorSkipNodeTypes, generatorSkipNodeDefs, 30);
 }
 
 TEST_CASE("GenShader: MSL Unique Names", "[genmsl]")