diff --git a/src/cpu/checker/cpu.cc b/src/cpu/checker/cpu.cc
index b1167c1d8f..6971ab37fd 100644
--- a/src/cpu/checker/cpu.cc
+++ b/src/cpu/checker/cpu.cc
@@ -38,6 +38,7 @@
 #include "cpu/simple_thread.hh"
 #include "cpu/thread_context.hh"
 #include "cpu/static_inst.hh"
+#include "mem/packet_impl.hh"
 #include "sim/byteswap.hh"
 #include "sim/sim_object.hh"
 #include "sim/stats.hh"
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh
index 6f32ec304b..4c01f29a24 100644
--- a/src/cpu/o3/lsq_unit_impl.hh
+++ b/src/cpu/o3/lsq_unit_impl.hh
@@ -32,6 +32,7 @@
 #include "cpu/checker/cpu.hh"
 #include "cpu/o3/lsq_unit.hh"
 #include "base/str.hh"
+#include "mem/packet.hh"
 #include "mem/request.hh"
 
 template<class Impl>