diff --git a/src/osd/sdl/debugwin.c b/src/osd/sdl/debugwin.c
index be42bdb2c9f..212815a49bb 100644
--- a/src/osd/sdl/debugwin.c
+++ b/src/osd/sdl/debugwin.c
@@ -1126,7 +1126,7 @@ void on_run_to_cursor_activate(GtkWidget *win)
 		if (debug_cpu_get_visible_cpu(info->machine) == disasm->view->source()->device())
 		{
 			offs_t address = downcast<debug_view_disasm *>(disasm->view)->selected_address();
-			command.printf("go %X", address);
+			command.printf("go 0x%X", address);
 			debug_console_execute_command(info->machine, command, 1);
 		}
 	}
diff --git a/src/osd/windows/debugwin.c b/src/osd/windows/debugwin.c
index f75d34daf12..3839d95ee88 100644
--- a/src/osd/windows/debugwin.c
+++ b/src/osd/windows/debugwin.c
@@ -2252,7 +2252,7 @@ static int disasm_handle_command(debugwin_info *info, WPARAM wparam, LPARAM lpar
 					if (dasmview->cursor_visible() && debug_cpu_get_visible_cpu(info->machine) == dasmview->source()->device())
 					{
 						offs_t address = dasmview->selected_address();
-						sprintf(command, "go %X", address);
+						sprintf(command, "go 0x%X", address);
 						debug_console_execute_command(info->machine, command, 1);
 					}
 					return 1;