diff --git a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
index 75b2a1d..0599c8e 100644
--- a/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
+++ b/llvm/tools/llvm-exegesis/lib/BenchmarkRunner.cpp
@@ -37,7 +37,7 @@
   InstructionBenchmark InstrBenchmark;
 
   InstrBenchmark.Key.OpcodeName = State.getInstrInfo().getName(Opcode);
-  InstrBenchmark.Key.Mode = getMode();
+  InstrBenchmark.Mode = getMode();
   InstrBenchmark.CpuName = State.getCpuName();
   InstrBenchmark.LLVMTriple = State.getTriple();
   InstrBenchmark.NumRepetitions = NumRepetitions;