diff --git a/include/boost/pattern_except.hpp b/include/boost/pattern_except.hpp
index 0ac760d7..31e5727a 100644
--- a/include/boost/pattern_except.hpp
+++ b/include/boost/pattern_except.hpp
@@ -39,14 +39,14 @@ class BOOST_RE_IX_DECL bad_pattern : public std::runtime_error
 {
 public:
    explicit bad_pattern(const std::string& s) : std::runtime_error(s){};
-   ~bad_pattern();
+   ~bad_pattern() throw();
 };
 
 class BOOST_RE_IX_DECL bad_expression : public bad_pattern
 {
 public:
    explicit bad_expression(const std::string& s) : bad_pattern(s) {}
-   ~bad_expression();
+   ~bad_expression() throw();
 };
 
 
diff --git a/src/regex.cpp b/src/regex.cpp
index 01c4ad3f..7a1f8321 100644
--- a/src/regex.cpp
+++ b/src/regex.cpp
@@ -32,8 +32,8 @@ namespace boost{
 // that dll builds contain the Virtual table for these
 // types - this ensures that exceptions can be thrown
 // from the dll and caught in an exe.
-bad_pattern::~bad_pattern(){}
-bad_expression::~bad_expression(){}
+bad_pattern::~bad_pattern() throw() {}
+bad_expression::~bad_expression() throw() {}
 
 regbase::regbase()
    : _flags(regbase::failbit){}