diff --git a/source/lib/sysdep/win/wdbg.h b/source/lib/sysdep/win/wdbg.h
index 5f877df71b..8f625e9551 100755
--- a/source/lib/sysdep/win/wdbg.h
+++ b/source/lib/sysdep/win/wdbg.h
@@ -7,6 +7,10 @@
 extern "C" {
 #endif
 
+// TODO: remove this from here, and make all the exception debugging stuff nicer
+struct _EXCEPTION_POINTERS;
+typedef struct _EXCEPTION_POINTERS* PEXCEPTION_POINTERS;
+extern int debug_main_exception_filter(unsigned int code, PEXCEPTION_POINTERS ep);
 
 extern void* wdbg_get_nth_caller(uint n);
 extern int wdbg_resolve_symbol(void* ptr_of_interest, char* sym_name, char* file, int* line);