diff --git a/src/algo/aes.hpp b/src/algo/aes.hpp
index 657d6c0..e4363bf 100644
--- a/src/algo/aes.hpp
+++ b/src/algo/aes.hpp
@@ -21,9 +21,9 @@
 #define NDN_GEP_ALGO_AES_HPP
 
 #include <ndn-cxx/security/key-params.hpp>
-#include "random-number-generator.hpp"
-#include "algo/encrypt-params.hpp"
-#include "decrypt-key.hpp"
+#include "../random-number-generator.hpp"
+#include "encrypt-params.hpp"
+#include "../decrypt-key.hpp"
 
 
 namespace ndn {
diff --git a/src/algo/encrypt-params.cpp b/src/algo/encrypt-params.cpp
index 1e7a3a0..dd2afcf 100644
--- a/src/algo/encrypt-params.cpp
+++ b/src/algo/encrypt-params.cpp
@@ -17,7 +17,7 @@
  * gep, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "random-number-generator.hpp"
+#include "../random-number-generator.hpp"
 #include "encrypt-params.hpp"
 
 namespace ndn {
diff --git a/src/algo/encrypt-params.hpp b/src/algo/encrypt-params.hpp
index 80b97a3..0aa03b2 100644
--- a/src/algo/encrypt-params.hpp
+++ b/src/algo/encrypt-params.hpp
@@ -2,7 +2,7 @@
 #define NDN_GEP_ENCRYPT_PARAMS_HPP
 
 #include <ndn-cxx/encoding/buffer-stream.hpp>
-#include "tlv.hpp"
+#include "../tlv.hpp"
 
 namespace ndn {
 namespace gep {
diff --git a/src/algo/encryptor.cpp b/src/algo/encryptor.cpp
index c3b8884..68b0d82 100644
--- a/src/algo/encryptor.cpp
+++ b/src/algo/encryptor.cpp
@@ -18,12 +18,12 @@
  */
 
 #include "encryptor.hpp"
-#include "random-number-generator.hpp"
-#include "encrypted-content.hpp"
-#include "algo/aes.hpp"
-#include "algo/rsa.hpp"
+#include "../random-number-generator.hpp"
+#include "../encrypted-content.hpp"
+#include "aes.hpp"
+#include "rsa.hpp"
 
-#include "algo/error.hpp"
+#include "error.hpp"
 
 namespace ndn {
 namespace gep {
diff --git a/src/algo/encryptor.hpp b/src/algo/encryptor.hpp
index ceda667..04556b9 100644
--- a/src/algo/encryptor.hpp
+++ b/src/algo/encryptor.hpp
@@ -21,7 +21,7 @@
 #define NDN_ENCRYPTOR_HPP
 
 #include <ndn-cxx/data.hpp>
-#include "algo/encrypt-params.hpp"
+#include "encrypt-params.hpp"
 
 namespace ndn {
 namespace gep {
diff --git a/src/algo/rsa.hpp b/src/algo/rsa.hpp
index c1d3a8b..3e64688 100644
--- a/src/algo/rsa.hpp
+++ b/src/algo/rsa.hpp
@@ -21,9 +21,9 @@
 #define NDN_GEP_ALGO_RSA_HPP
 
 #include <ndn-cxx/security/key-params.hpp>
-#include "random-number-generator.hpp"
-#include "algo/encrypt-params.hpp"
-#include "decrypt-key.hpp"
+#include "../random-number-generator.hpp"
+#include "encrypt-params.hpp"
+#include "../decrypt-key.hpp"
 
 namespace ndn {
 namespace gep {
diff --git a/wscript b/wscript
index 725c237..0f5df7c 100644
--- a/wscript
+++ b/wscript
@@ -76,7 +76,7 @@
         dest = "%s/ndn-group-encrypt" % bld.env['INCLUDEDIR'],
         files = bld.path.ant_glob(['src/**/*.hpp', 'src/**/*.h', 'common.hpp']),
         cwd = bld.path.find_dir("src"),
-        relative_trick = False,
+        relative_trick = True,
         )