diff --git a/engine/gl/gl_vidmorphos.c b/engine/gl/gl_vidmorphos.c
index 3757f2fc4..b13c567d5 100644
--- a/engine/gl/gl_vidmorphos.c
+++ b/engine/gl/gl_vidmorphos.c
@@ -656,3 +656,9 @@ void GLVID_HandlePause (qboolean pause)
 void Sys_SendKeyEvents(void)
 {
 }
+
+void GLVID_SetCaption(char *caption)
+{
+	SetWindowTitles(window, caption, (void *)-1);
+}
+
diff --git a/engine/sw/vid_morphos.c b/engine/sw/vid_morphos.c
index ceab9b4cf..2ca45af34 100644
--- a/engine/sw/vid_morphos.c
+++ b/engine/sw/vid_morphos.c
@@ -247,3 +247,8 @@ void Sys_SendKeyEvents(void)
 {
 }
 
+void SWVID_SetCaption(char *caption)
+{
+	SetWindowTitles(window, caption, (void *)-1);
+}
+