1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index c0a764bafca..43f2289ab7c 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -3534,7 +3534,7 @@ If it is nil, then the handler is \"byte-compile-SYMBOL.\""
 (byte-defop-compiler (>= byte-geq)      2-and)
 (byte-defop-compiler get                2)
 (byte-defop-compiler nth                2)
-(byte-defop-compiler substring          2-3)
+(byte-defop-compiler substring          1-3)
 (byte-defop-compiler (move-marker byte-set-marker) 2-3)
 (byte-defop-compiler set-marker 2-3)
 (byte-defop-compiler match-beginning    1)