diff --git a/src/operation/iPL/source/module/detail_placer/database/DPBin.hh b/src/operation/iPL/source/module/detail_placer/database/DPBin.hh
index 90ba779c3629e4afc2d86a990d4b28b0cf225e31..95c588a3b29f50e6044a6a7335993e3e88006bf2 100644
--- a/src/operation/iPL/source/module/detail_placer/database/DPBin.hh
+++ b/src/operation/iPL/source/module/detail_placer/database/DPBin.hh
@@ -21,8 +21,8 @@
 #include <set>
 
 #include "DPNode.hh"
-#include "DPSegment.hh"
 #include "data/Rectangle.hh"
+
 namespace ipl{
 
 class DPSegment;
diff --git a/src/operation/iPL/source/module/detail_placer/database/DPSegment.hh b/src/operation/iPL/source/module/detail_placer/database/DPSegment.hh
index 34108a636fbc133df19fb962bee52b5b016b07ad..bdf42005e0cd79ded41d90ec45ecfb8b39a3d1e2 100644
--- a/src/operation/iPL/source/module/detail_placer/database/DPSegment.hh
+++ b/src/operation/iPL/source/module/detail_placer/database/DPSegment.hh
@@ -20,12 +20,12 @@
 
 #include <set>
 
+#include "DPBin.hh"
 #include "DPNode.hh"
 
 namespace ipl{
 
 class DPRow;
-class DPBin;
 
 class DPSegment{
 
diff --git a/src/operation/iPL/source/module/detail_placer/operation/NFSpread.hh b/src/operation/iPL/source/module/detail_placer/operation/NFSpread.hh
index 213e29afcef160c474522fc66f6c1aaae1737739..6219a36e5747a004c56c3f61745184ce04945849 100644
--- a/src/operation/iPL/source/module/detail_placer/operation/NFSpread.hh
+++ b/src/operation/iPL/source/module/detail_placer/operation/NFSpread.hh
@@ -27,6 +27,8 @@
 #include "database/DPDatabase.hh"
 #include "DPOperator.hh"
 #include "database/DPNode.hh"
+#include "database/DPBin.hh"
+#include "database/DPSegment.hh"
 
 namespace ipl {