diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index a5a2256..a19ec19 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -11,6 +11,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/MC/MCValue.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
@@ -108,8 +109,8 @@
 }
 
 void MCExpr::dump() const {
-  print(errs(), 0);
-  errs() << '\n';
+  print(dbgs(), 0);
+  dbgs() << '\n';
 }
 
 /* *** */