diff --git a/include/Support/Statistic.h b/include/Support/Statistic.h
index c95db3f82cb..021bf5f4181 100644
--- a/include/Support/Statistic.h
+++ b/include/Support/Statistic.h
@@ -24,7 +24,7 @@
 #ifndef SUPPORT_STATISTIC_H
 #define SUPPORT_STATISTIC_H
 
-#include <iosfwd>
+#include <iostream>
 
 namespace llvm {
 
diff --git a/include/llvm/ADT/Statistic.h b/include/llvm/ADT/Statistic.h
index c95db3f82cb..021bf5f4181 100644
--- a/include/llvm/ADT/Statistic.h
+++ b/include/llvm/ADT/Statistic.h
@@ -24,7 +24,7 @@
 #ifndef SUPPORT_STATISTIC_H
 #define SUPPORT_STATISTIC_H
 
-#include <iosfwd>
+#include <iostream>
 
 namespace llvm {