diff --git a/lib/Analysis/ModuleAnalyzer.cpp b/lib/Analysis/ModuleAnalyzer.cpp
index 8212287..d543216 100644
--- a/lib/Analysis/ModuleAnalyzer.cpp
+++ b/lib/Analysis/ModuleAnalyzer.cpp
@@ -46,7 +46,7 @@
     break;
 
   case Type::StructTyID: {
-    const StructType *ST = (const StructType*)T;
+    const StructType *ST = cast<const StructType>(T);
     const StructType::ElementTypes &Elements = ST->getElementTypes();
     for (StructType::ElementTypes::const_iterator I = Elements.begin();
 	 I != Elements.end(); ++I)