diff --git a/runtime/gc/collector/semi_space.cc b/runtime/gc/collector/semi_space.cc
index 9459a3b..e141b6f 100644
--- a/runtime/gc/collector/semi_space.cc
+++ b/runtime/gc/collector/semi_space.cc
@@ -16,9 +16,10 @@
 
 #include "semi_space-inl.h"
 
+#include <climits>
 #include <functional>
 #include <numeric>
-#include <climits>
+#include <sstream>
 #include <vector>
 
 #include "base/logging.h"