diff --git a/util/led/scan.c b/util/led/scan.c
index 3d09fbc3b..afabd587e 100644
--- a/util/led/scan.c
+++ b/util/led/scan.c
@@ -28,7 +28,7 @@ static char rcsid[] = "$Header$";
 #endif SYMDBUG
 
 extern long	lseek();
-exterrn char 	*core_alloc();
+extern char 	*core_alloc();
 extern bool	incore;
 extern int	infile;
 extern int	passnumber;