diff --git a/src/Makefile.package.empty b/src/Makefile.package.empty
index 6048b88029..b5693af293 100644
--- a/src/Makefile.package.empty
+++ b/src/Makefile.package.empty
@@ -7,6 +7,6 @@ PKG_LIB =
 PKG_CPP_DEPENDS = 
 PKG_LINK_DEPENDS = 
 
-PKG_SYSINC = -I../../third_party
+PKG_SYSINC = -I../../third_party -I../third_party
 PKG_SYSLIB = 
 PKG_SYSPATH = 
diff --git a/src/json.h b/src/json.h
index 4a48aa9c5c..2f364b445e 100644
--- a/src/json.h
+++ b/src/json.h
@@ -17,7 +17,7 @@
 // wrapper around including the JSON parsing and writing class
 // Do NOT include in any header file
 
-#include <nlohmann/json.hpp>
+#include "nlohmann/json.hpp"
 
 namespace LAMMPS_NS {
 using json = ::nlohmann_lmp::json;