diff --git a/libsrc/geos/system/enterdesktop.s b/libsrc/geos/system/enterdesktop.s
index d25d21894..08238adb9 100644
--- a/libsrc/geos/system/enterdesktop.s
+++ b/libsrc/geos/system/enterdesktop.s
@@ -7,6 +7,7 @@
 ; void EnterDeskTop (void);
 
 	    .export _EnterDeskTop
+	    .import _exit
 
 	    .include "../inc/jumptab.inc"