diff --git a/ports/cjson/CONTROL b/ports/cjson/CONTROL
index 51557451e..27474316a 100644
--- a/ports/cjson/CONTROL
+++ b/ports/cjson/CONTROL
@@ -1,5 +1,5 @@
 Source: cjson
-Version: 2019-11-30
+Version: 2019-11-30-1
 Description: Ultralightweight JSON parser in ANSI C
 Homepage: https://github.com/DaveGamble/cJSON
 
diff --git a/ports/cjson/portfile.cmake b/ports/cjson/portfile.cmake
index eefb66659..8332562f0 100644
--- a/ports/cjson/portfile.cmake
+++ b/ports/cjson/portfile.cmake
@@ -15,8 +15,10 @@ vcpkg_check_features(
 
 if(CMAKE_HOST_WIN32)
     string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" ENABLE_PUBLIC_SYMBOLS)
+    string(COMPARE NOTEQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" DENABLE_HIDDEN_SYMBOLS)
 else()
     set(ENABLE_PUBLIC_SYMBOLS OFF)
+    set(DENABLE_HIDDEN_SYMBOLS OFF)
 endif()
 
 vcpkg_configure_cmake(
@@ -26,6 +28,7 @@ vcpkg_configure_cmake(
         -DBUILD_SHARED_AND_STATIC_LIBS=OFF
         -DCJSON_OVERRIDE_BUILD_SHARED_LIBS=OFF
         -DENABLE_PUBLIC_SYMBOLS=${ENABLE_PUBLIC_SYMBOLS}
+        -DENABLE_HIDDEN_SYMBOLS=${DENABLE_HIDDEN_SYMBOLS}
         -DENABLE_TARGET_EXPORT=ON # Export CMake config files
         -DENABLE_CJSON_TEST=OFF
         -DENABLE_FUZZING=OFF