diff --git a/src/misc2.c b/src/misc2.c
index c07ed80..b5044fb 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -72,7 +72,7 @@
  * Get the screen position of character col with a coladd in the cursor line.
  */
     int
-getviscol2(colnr_T col, colnr_T coladd UNUSED)
+getviscol2(colnr_T col, colnr_T coladd)
 {
     colnr_T	x;
     pos_T	pos;