diff --git a/extra/wolfssl/CMakeLists.txt b/extra/wolfssl/CMakeLists.txt
index dc2f8092762..38203a07911 100644
--- a/extra/wolfssl/CMakeLists.txt
+++ b/extra/wolfssl/CMakeLists.txt
@@ -126,7 +126,8 @@ endif()
 # Silence some warnings
 if(MSVC)
   # truncation warnings
-  target_compile_options(wolfssl PRIVATE $<$<COMPILE_LANGUAGE:C>:/wd4244>)
+  target_compile_options(wolfssl PRIVATE $<$<COMPILE_LANGUAGE:C>:/wd4244 /wd5287 /wd5286>)
+  target_compile_definitions(wolfssl PUBLIC WC_NO_STATIC_ASSERT)
   if(CMAKE_C_COMPILER_ID MATCHES Clang)
     target_compile_options(wolfssl PRIVATE $<$<COMPILE_LANGUAGE:C>:-Wno-incompatible-function-pointer-types>)
   endif()
diff --git a/strings/json_lib.c b/strings/json_lib.c
index 2090bd5d9ab..b6b92c3ffb2 100644
--- a/strings/json_lib.c
+++ b/strings/json_lib.c
@@ -1874,13 +1874,13 @@ static enum json_types smart_read_value(json_engine_t *je,
     *value_len= (int) ((char *) je->s.c_str - *value);
   }
 
-  compile_time_assert((int) JSON_VALUE_OBJECT == (int) JSV_OBJECT);
-  compile_time_assert((int) JSON_VALUE_ARRAY == (int) JSV_ARRAY);
-  compile_time_assert((int) JSON_VALUE_STRING == (int) JSV_STRING);
-  compile_time_assert((int) JSON_VALUE_NUMBER == (int) JSV_NUMBER);
-  compile_time_assert((int) JSON_VALUE_TRUE == (int) JSV_TRUE);
-  compile_time_assert((int) JSON_VALUE_FALSE == (int) JSV_FALSE);
-  compile_time_assert((int) JSON_VALUE_NULL == (int) JSV_NULL);
+  compile_time_assert((enum json_types)JSON_VALUE_OBJECT == JSV_OBJECT);
+  compile_time_assert((enum json_types)JSON_VALUE_ARRAY == JSV_ARRAY);
+  compile_time_assert((enum json_types)JSON_VALUE_STRING == JSV_STRING);
+  compile_time_assert((enum json_types)JSON_VALUE_NUMBER == JSV_NUMBER);
+  compile_time_assert((enum json_types)JSON_VALUE_TRUE == JSV_TRUE);
+  compile_time_assert((enum json_types)JSON_VALUE_FALSE == JSV_FALSE);
+  compile_time_assert((enum json_types)JSON_VALUE_NULL == JSV_NULL);
 
   return (enum json_types) je->value_type;
 
diff --git a/vio/CMakeLists.txt b/vio/CMakeLists.txt
index 85810840273..e7987cb9c2f 100644
--- a/vio/CMakeLists.txt
+++ b/vio/CMakeLists.txt
@@ -20,3 +20,4 @@ ADD_DEFINITIONS(${SSL_DEFINES})
 SET(VIO_SOURCES vio.c viosocket.c viossl.c viopipe.c viosslfactories.c)
 ADD_CONVENIENCE_LIBRARY(vio ${VIO_SOURCES})
 TARGET_LINK_LIBRARIES(vio ${LIBSOCKET})
+TARGET_LINK_LIBRARIES(vio ${SSL_LIBRARIES})