diff --git a/bochs/bx_debug/debug.h b/bochs/bx_debug/debug.h
index 48824c397..f8630543a 100644
--- a/bochs/bx_debug/debug.h
+++ b/bochs/bx_debug/debug.h
@@ -199,7 +199,7 @@ void bx_dbg_check_memory_watchpoints(unsigned cpu, bx_phy_address phy, unsigned
 void bx_dbg_restore_command(const char *param_name, const char *path);
 void bx_dbg_show_param_command(const char *param, bool xml);
 
-int bx_dbg_show_symbolic(void);
+void bx_dbg_show_symbolic(void);
 void bx_dbg_set_symbol_command(const char *symbol, bx_address val);
 const char* bx_dbg_symbolic_address(bx_address context, bx_address eip, bx_address base);
 int bx_dbg_symbol_command(const char* filename, bool global, bx_address offset);