1 files changed, 1 insertions, 2 deletions
diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index bc7f7970b..28fa70edf 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -2979,8 +2979,7 @@ namespace Slang
         IRWitnessTable* witnessTable = createInst<IRWitnessTable>(
             this,
             kIROp_WitnessTable,
-            getWitnessTableType(baseType),
-            baseType);
+            getWitnessTableType(baseType));
         addGlobalValue(this, witnessTable);
         return witnessTable;
     }