diff --git a/opm/json/JsonObject.cpp b/opm/json/JsonObject.cpp
index 82224f695..c005be000 100644
--- a/opm/json/JsonObject.cpp
+++ b/opm/json/JsonObject.cpp
@@ -27,7 +27,7 @@
 #include <boost/filesystem/operations.hpp>
 
 #include <opm/json/JsonObject.hpp>
-#include <opm/json/cjson/cJSON.h>
+#include "cjson/cJSON.h"
 
 namespace Json {
 
diff --git a/opm/json/JsonObject.hpp b/opm/json/JsonObject.hpp
index a3d5f3e23..8b7423a3a 100644
--- a/opm/json/JsonObject.hpp
+++ b/opm/json/JsonObject.hpp
@@ -24,8 +24,7 @@
 
 #include <boost/filesystem/path.hpp>
 
-#include <cjson/cJSON.h>
-
+struct cJSON;
 
 namespace Json {