Use relative paths for local includes.
diff --git a/tests/test-encode-decode-interest.cpp b/tests/test-encode-decode-interest.cpp
index 5f26114..26d8269 100644
--- a/tests/test-encode-decode-interest.cpp
+++ b/tests/test-encode-decode-interest.cpp
@@ -6,7 +6,7 @@
 #include <cstdlib>
 #include <sstream>
 #include <iostream>
-#include <ndn-cpp/interest.hpp>
+#include "../ndn-cpp/interest.hpp"
 
 using namespace std;
 using namespace ndn;