diff --git a/llvm/lib/Analysis/BlockFrequencyInfo.cpp b/llvm/lib/Analysis/BlockFrequencyInfo.cpp
index 85f437d..4cdbe4d 100644
--- a/llvm/lib/Analysis/BlockFrequencyInfo.cpp
+++ b/llvm/lib/Analysis/BlockFrequencyInfo.cpp
@@ -252,7 +252,7 @@
   return false;
 }
 
-char BlockFrequencyAnalysis::PassID;
+AnalysisKey BlockFrequencyAnalysis::Key;
 BlockFrequencyInfo BlockFrequencyAnalysis::run(Function &F,
                                                FunctionAnalysisManager &AM) {
   BlockFrequencyInfo BFI;