diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index f2365c6..dc72974 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -416,7 +416,7 @@
   // FIXME: There is a bit of code duplication with addPassesToEmitFile.
   if (FileType == OFT_AssemblyFile) {
     MCInstPrinter *IP =
-      TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *STI);
+      TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MRI, *STI);
     MCCodeEmitter *CE = 0;
     MCAsmBackend *MAB = 0;
     if (ShowEncoding) {