diff --git a/include/chaiscript/dispatchkit/boxed_value.hpp b/include/chaiscript/dispatchkit/boxed_value.hpp
index e6c669b..c2cd20e 100644
--- a/include/chaiscript/dispatchkit/boxed_value.hpp
+++ b/include/chaiscript/dispatchkit/boxed_value.hpp
@@ -251,8 +251,9 @@ namespace chaiscript
           ~Sentinel()
           {
             // save new pointer data
-            m_data.get().m_data_ptr = m_ptr.get().get();
-            m_data.get().m_const_data_ptr = m_ptr.get().get();
+            const auto ptr = m_ptr.get().get();
+            m_data.get().m_data_ptr = ptr;
+            m_data.get().m_const_data_ptr = ptr;
           }
 
           Sentinel& operator=(Sentinel&&s) = default;
diff --git a/include/chaiscript/language/chaiscript_algebraic.hpp b/include/chaiscript/language/chaiscript_algebraic.hpp
index 36516dd..022a295 100644
--- a/include/chaiscript/language/chaiscript_algebraic.hpp
+++ b/include/chaiscript/language/chaiscript_algebraic.hpp
@@ -53,6 +53,11 @@ namespace chaiscript
 
     static Opers to_operator(const std::string &t_str, bool t_is_unary = false)
     {
+#ifdef CHAISCRIPT_MSVC
+#pragma warning(push)
+#pragma warning(disable : 4307)
+#endif
+
       const auto op_hash = utility::fnv1a_32(t_str.c_str());
       switch (op_hash) {
         case utility::fnv1a_32("=="): { return Opers::equals; }
@@ -86,6 +91,10 @@ namespace chaiscript
         case utility::fnv1a_32("*"): { return Opers::product; }
         default: { return Opers::invalid; }
       }
+#ifdef CHAISCRIPT_MSVC
+#pragma warning(pop)
+#endif
+
     }
 
   };
diff --git a/include/chaiscript/language/chaiscript_eval.hpp b/include/chaiscript/language/chaiscript_eval.hpp
index 8116c83..a044155 100644
--- a/include/chaiscript/language/chaiscript_eval.hpp
+++ b/include/chaiscript/language/chaiscript_eval.hpp
@@ -433,13 +433,13 @@ namespace chaiscript
             try {
 
               if (lhs.is_undef()) {
-                if ((!this->children.empty()
+                if (!this->children.empty()
                      && ((this->children[0]->identifier == AST_Node_Type::Reference)
                          || (!this->children[0]->children.empty()
                               && this->children[0]->children[0]->identifier == AST_Node_Type::Reference)
                        )
-                    )
                    )
+                  
                 {
                   /// \todo This does not handle the case of an unassigned reference variable
                   ///       being assigned outside of its declaration
diff --git a/include/chaiscript/language/chaiscript_parser.hpp b/include/chaiscript/language/chaiscript_parser.hpp
index a4199a3..18c4220 100644
--- a/include/chaiscript/language/chaiscript_parser.hpp
+++ b/include/chaiscript/language/chaiscript_parser.hpp
@@ -884,6 +884,11 @@ namespace chaiscript
             validate_object_name(text);
           }
 
+#ifdef CHAISCRIPT_MSVC
+#pragma warning(push)
+#pragma warning(disable : 4307)
+#endif
+
           switch (text_hash) {
             case utility::fnv1a_32("true"): {
               m_match_stack.push_back(make_node<eval::Constant_AST_Node<Tracer>>(std::move(text), start.line, start.col, const_var(true)));
@@ -948,6 +953,11 @@ namespace chaiscript
             } break;
           }
 
+#ifdef CHAISCRIPT_MSVC
+#pragma warning(pop)
+#endif
+
+
           return true;
         } else {
           return false;
diff --git a/include/chaiscript/utility/fnv1a.hpp b/include/chaiscript/utility/fnv1a.hpp
index fcf9b1e..54378cd 100644
--- a/include/chaiscript/utility/fnv1a.hpp
+++ b/include/chaiscript/utility/fnv1a.hpp
@@ -7,16 +7,34 @@
 #ifndef CHAISCRIPT_UTILITY_FNV1A_HPP_
 #define CHAISCRIPT_UTILITY_FNV1A_HPP_
 
+
 #include <cstdint>
+#include "../chaiscript_defines.hpp"
+
 
 namespace chaiscript
 {
+
+
   namespace utility
   {
+
+
     static constexpr std::uint32_t fnv1a_32(const char *s, std::uint32_t h = 0x811c9dc5) {
+#ifdef CHAISCRIPT_MSVC
+#pragma warning(push)
+#pragma warning(disable : 4307)
+#endif
       return (*s == 0) ? h : fnv1a_32(s+1, ((h ^ (*s)) * 0x01000193));
+#ifdef CHAISCRIPT_MSVC
+#pragma warning(pop)
+#endif
     }
+
+
   }
+
+
 }
 
 #endif