diff --git a/runtime/gc/allocator/rosalloc.cc b/runtime/gc/allocator/rosalloc.cc
index a3da532..804c98a 100644
--- a/runtime/gc/allocator/rosalloc.cc
+++ b/runtime/gc/allocator/rosalloc.cc
@@ -24,6 +24,7 @@
 
 #include <map>
 #include <list>
+#include <sstream>
 #include <vector>
 
 namespace art {