diff --git a/network/SdcNetwork.cc b/network/SdcNetwork.cc
index e4ffe597..85131e54 100644
--- a/network/SdcNetwork.cc
+++ b/network/SdcNetwork.cc
@@ -14,7 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-#include <functional>
 #include "Machine.hh"
 #include "StringUtil.hh"
 #include "PatternMatch.hh"
diff --git a/network/SdcNetwork.hh b/network/SdcNetwork.hh
index 00b0b4c2..f933fc52 100644
--- a/network/SdcNetwork.hh
+++ b/network/SdcNetwork.hh
@@ -17,6 +17,7 @@
 #ifndef STA_SDC_NETWORK_H
 #define STA_SDC_NETWORK_H
 
+#include <functional>
 #include "DisallowCopyAssign.hh"
 #include "Network.hh"