diff --git a/src/ex_getln.c b/src/ex_getln.c
index e407ab0..ec64619 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -1700,13 +1700,13 @@
 	 * We come here if we have a normal character.
 	 */
 
-	if (do_abbr && (IS_SPECIAL(c) || !vim_iswordc(c)) && ccheck_abbr(
+	if (do_abbr && (IS_SPECIAL(c) || !vim_iswordc(c)) && (ccheck_abbr(
 #ifdef FEAT_MBYTE
 			/* Add ABBR_OFF for characters above 0x100, this is
 			 * what check_abbr() expects. */
 			(has_mbyte && c >= 0x100) ? (c + ABBR_OFF) :
 #endif
-									c))
+							 c) || c == Ctrl_RSB))
 	    goto cmdline_changed;
 
 	/*