diff --git a/src/Mod/PartDesign/App/json.hpp b/src/3rdParty/json/single_include/nlohmann/json.hpp
similarity index 100%
rename from src/Mod/PartDesign/App/json.hpp
rename to src/3rdParty/json/single_include/nlohmann/json.hpp
diff --git a/src/Mod/PartDesign/App/json_fwd.hpp b/src/3rdParty/json/single_include/nlohmann/json_fwd.hpp
similarity index 100%
rename from src/Mod/PartDesign/App/json_fwd.hpp
rename to src/3rdParty/json/single_include/nlohmann/json_fwd.hpp
diff --git a/src/Mod/PartDesign/App/CMakeLists.txt b/src/Mod/PartDesign/App/CMakeLists.txt
index d74a77c1d5..d8db758576 100644
--- a/src/Mod/PartDesign/App/CMakeLists.txt
+++ b/src/Mod/PartDesign/App/CMakeLists.txt
@@ -16,6 +16,7 @@ include_directories(
     ${PYTHON_INCLUDE_DIRS}
     ${XercesC_INCLUDE_DIRS}
     ${QT_INCLUDE_DIR}
+    ${CMAKE_SOURCE_DIR}/src/3rdParty/json/single_include/nlohmann/
 )
 link_directories(${OCC_LIBRARY_DIR})
 
diff --git a/src/Mod/PartDesign/Gui/CMakeLists.txt b/src/Mod/PartDesign/Gui/CMakeLists.txt
index b3f5767dc7..d80be20bda 100644
--- a/src/Mod/PartDesign/Gui/CMakeLists.txt
+++ b/src/Mod/PartDesign/Gui/CMakeLists.txt
@@ -15,6 +15,7 @@ include_directories(
     ${PYTHON_INCLUDE_DIRS}
     ${XercesC_INCLUDE_DIRS}
     ${EIGEN3_INCLUDE_DIR}
+    ${CMAKE_SOURCE_DIR}/src/3rdParty/json/single_include/nlohmann/
 )
 link_directories(${OCC_LIBRARY_DIR})