diff --git a/checkin_notes b/checkin_notes
index 2585b3e5bf..93fa006fe1 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -10806,6 +10806,7 @@ Rom    Mar 24 2004
      - I was a little to agressive in cleaning up boinc_api.c and removed some
          signal handling code, added that back in.
      - The new exceptions use string's, so include <string> in the exception header.
+     - gcc has stronger exception enforcement than mscl
 
     lib/
         diagnostics.c
diff --git a/lib/exception.h b/lib/exception.h
index 1c1e642e19..e56616a633 100644
--- a/lib/exception.h
+++ b/lib/exception.h
@@ -54,6 +54,8 @@ public:
     boinc_base_exception(const char *f, int l, const char *s=0)
         : m_strErrorData(s), m_strFilename(f), m_lLineNumber(l){};
 
+    ~boinc_base_exception() throw () {};
+
     virtual const char * ErrorType();
     virtual const char * ErrorMessage();
     virtual long         ErrorValue();
@@ -74,6 +76,8 @@ public:
     boinc_runtime_base_exception(const char *f, int l, const char *s=0)
         : boinc_base_exception(f, l, s){}
 
+    ~boinc_runtime_base_exception() throw () {};
+
     virtual const char * ErrorType();
     virtual const char * ErrorMessage();
 };
@@ -90,6 +94,8 @@ public:
     boinc_out_of_memory_exception(const char *f, int l, const char *s=0)
         : boinc_runtime_base_exception(f, l, s){}
 
+    ~boinc_out_of_memory_exception() throw () {};
+
     virtual const char * ErrorMessage();
     virtual long         ErrorValue();
 };
@@ -103,6 +109,8 @@ public:
     boinc_invalid_parameter_exception(const char *f, int l, const char *s=0)
         : boinc_runtime_base_exception(f, l, s){}
 
+    ~boinc_invalid_parameter_exception() throw () {};
+
     virtual const char * ErrorMessage();
     virtual long         ErrorValue();
 };
@@ -116,6 +124,8 @@ public:
     boinc_file_operation_exception(const char *f, int l, const char *s=0)
         : boinc_runtime_base_exception(f, l, s){}
 
+    ~boinc_file_operation_exception() throw () {};
+
     virtual const char * ErrorMessage();
     virtual long         ErrorValue();
 };
@@ -129,6 +139,8 @@ public:
     boinc_signal_operation_exception(const char *f, int l, const char *s=0)
         : boinc_runtime_base_exception(f, l, s){}
 
+    ~boinc_signal_operation_exception() throw () {};
+
     virtual const char * ErrorMessage();
     virtual long         ErrorValue();
 };