diff --git a/mono/mini/exceptions-amd64.c b/mono/mini/exceptions-amd64.c
index 349f6521c7a7b3f1b7a508312c3f009e683f32f2..dd2c0815c3e225e1c2df072086f43a7f6436687b 100644
--- a/mono/mini/exceptions-amd64.c
+++ b/mono/mini/exceptions-amd64.c
@@ -38,9 +38,9 @@ static MonoW32ExceptionHandler fpe_handler;
 static MonoW32ExceptionHandler ill_handler;
 static MonoW32ExceptionHandler segv_handler;
 
-LPTOP_LEVEL_EXCEPTION_FILTER old_win_toplevel_exception_filter;
-guint64 win_chained_exception_filter_result;
-gboolean win_chained_exception_filter_didrun;
+LPTOP_LEVEL_EXCEPTION_FILTER mono_old_win_toplevel_exception_filter;
+guint64 mono_win_chained_exception_filter_result;
+gboolean mono_win_chained_exception_filter_didrun;
 
 #define W32_SEH_HANDLE_EX(_ex) \
 	if (_ex##_handler) _ex##_handler(0, ep, sctx)
@@ -56,7 +56,7 @@ LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep)
 	MonoContext* sctx;
 	LONG res;
 
-	win_chained_exception_filter_didrun = FALSE;
+	mono_win_chained_exception_filter_didrun = FALSE;
 	res = EXCEPTION_CONTINUE_EXECUTION;
 
 	er = ep->ExceptionRecord;
@@ -117,20 +117,20 @@ LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep)
 
 	g_free (sctx);
 
-	if (win_chained_exception_filter_didrun)
-		res = win_chained_exception_filter_result;
+	if (mono_win_chained_exception_filter_didrun)
+		res = mono_win_chained_exception_filter_result;
 
 	return res;
 }
 
 void win32_seh_init()
 {
-	old_win_toplevel_exception_filter = SetUnhandledExceptionFilter(seh_handler);
+	mono_old_win_toplevel_exception_filter = SetUnhandledExceptionFilter(seh_handler);
 }
 
 void win32_seh_cleanup()
 {
-	if (old_win_toplevel_exception_filter) SetUnhandledExceptionFilter(old_win_toplevel_exception_filter);
+	if (mono_old_win_toplevel_exception_filter) SetUnhandledExceptionFilter(mono_old_win_toplevel_exception_filter);
 }
 
 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler)
diff --git a/mono/mini/exceptions-x86.c b/mono/mini/exceptions-x86.c
index 6f6927e0edf633add474a77148587bc5a2b63281..c9197ecd1d7badc6ac00f2d5b142c29fe288254f 100644
--- a/mono/mini/exceptions-x86.c
+++ b/mono/mini/exceptions-x86.c
@@ -39,9 +39,9 @@ static MonoW32ExceptionHandler fpe_handler;
 static MonoW32ExceptionHandler ill_handler;
 static MonoW32ExceptionHandler segv_handler;
 
-LPTOP_LEVEL_EXCEPTION_FILTER old_win_toplevel_exception_filter;
-guint64 win_chained_exception_filter_result;
-gboolean win_chained_exception_filter_didrun;
+LPTOP_LEVEL_EXCEPTION_FILTER mono_old_win_toplevel_exception_filter;
+guint64 mono_win_chained_exception_filter_result;
+gboolean mono_win_chained_exception_filter_didrun;
 
 #ifndef PROCESS_CALLBACK_FILTER_ENABLED
 #	define PROCESS_CALLBACK_FILTER_ENABLED 1
@@ -178,7 +178,7 @@ LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep)
 	struct sigcontext* sctx;
 	LONG res;
 
-	win_chained_exception_filter_didrun = FALSE;
+	mono_win_chained_exception_filter_didrun = FALSE;
 	res = EXCEPTION_CONTINUE_EXECUTION;
 
 	er = ep->ExceptionRecord;
@@ -231,8 +231,8 @@ LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep)
 
 	g_free (sctx);
 
-	if (win_chained_exception_filter_didrun)
-		res = win_chained_exception_filter_result;
+	if (mono_win_chained_exception_filter_didrun)
+		res = mono_win_chained_exception_filter_result;
 
 	return res;
 }
@@ -243,12 +243,12 @@ void win32_seh_init()
 	if (!restore_stack)
 		restore_stack = mono_win32_get_handle_stackoverflow ();
 
-	old_win_toplevel_exception_filter = SetUnhandledExceptionFilter(seh_handler);
+	mono_old_win_toplevel_exception_filter = SetUnhandledExceptionFilter(seh_handler);
 }
 
 void win32_seh_cleanup()
 {
-	if (old_win_toplevel_exception_filter) SetUnhandledExceptionFilter(old_win_toplevel_exception_filter);
+	if (mono_old_win_toplevel_exception_filter) SetUnhandledExceptionFilter(mono_old_win_toplevel_exception_filter);
 }
 
 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler)
diff --git a/mono/mini/mini-windows.c b/mono/mini/mini-windows.c
index 6469cadd417e1f89250e8a710e5d4a3ccbff6d12..8b011438e575294b7b7bbe049d92e748b636eda0 100644
--- a/mono/mini/mini-windows.c
+++ b/mono/mini/mini-windows.c
@@ -50,9 +50,9 @@
 
 #include "jit-icalls.h"
 
-extern LPTOP_LEVEL_EXCEPTION_FILTER old_win_toplevel_exception_filter;
-extern guint64 win_chained_exception_filter_result;
-extern gboolean win_chained_exception_filter_didrun;
+extern LPTOP_LEVEL_EXCEPTION_FILTER mono_old_win_toplevel_exception_filter;
+extern guint64 mono_win_chained_exception_filter_result;
+extern gboolean mono_win_chained_exception_filter_didrun;
 
 void
 mono_runtime_install_handlers (void)
@@ -88,9 +88,9 @@ SIG_HANDLER_SIGNATURE (mono_chain_signal)
 	int signal = _dummy;
 	GET_CONTEXT;
 
-	if (old_win_toplevel_exception_filter) {
-		win_chained_exception_filter_didrun = TRUE;
-		win_chained_exception_filter_result = (*old_win_toplevel_exception_filter)(info);
+	if (mono_old_win_toplevel_exception_filter) {
+		mono_win_chained_exception_filter_didrun = TRUE;
+		mono_win_chained_exception_filter_result = (*mono_old_win_toplevel_exception_filter)(info);
 		return TRUE;
 	}
 	return FALSE;