diff --git a/include/json_parser.h b/include/json_parser.h
index 6eb2c56d..36358337 100644
--- a/include/json_parser.h
+++ b/include/json_parser.h
@@ -10,7 +10,7 @@
 #ifndef SPLINTER_JSON_PARSER_H
 #define SPLINTER_JSON_PARSER_H
 
-#include "json.h"
+#include <string>
 
 namespace SPLINTER
 {
diff --git a/src/json_parser.cpp b/src/json_parser.cpp
index 2c1cb011..022bd80d 100644
--- a/src/json_parser.cpp
+++ b/src/json_parser.cpp
@@ -8,6 +8,7 @@
 */
 
 #include "json_parser.h"
+#include "json.h"
 #include "bspline.h"
 #include "data_table.h"
 #include "utilities.h"