1 files changed, 2 insertions, 1 deletions
diff --git a/src/doc.c b/src/doc.c
index 67f91a4209f..d401fe73305 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -362,7 +362,8 @@ translation.")
 static void
 store_function_docstring (fun, offset)
      Lisp_Object fun;
-     int offset;
+     /* Use EMACS_INT because we get this from pointer subtraction.  */
+     EMACS_INT offset;
 {
   fun = indirect_function (fun);