1 files changed, 2 insertions, 0 deletions

diff --git a/src/keymap.c b/src/keymap.c
index dd126a9a8f3..00a182f52f0 100644
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -2992,6 +2992,8 @@ Keyboard translations:\n\n\
 You type        Translation\n\
 --------        -----------\n";
 
+  CHECK_BUFFER (buffer);
+
   shadow = Qnil;
   GCPRO1 (shadow);