1 files changed, 3 insertions, 2 deletions

diff --git a/src/fns.c b/src/fns.c
index bbda385d927..6c9e05655f6 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -2183,8 +2183,9 @@ ARRAY is a vector, string, char-table, or bool-vector.  */)
   else if (BOOL_VECTOR_P (array))
     {
       register unsigned char *p = XBOOL_VECTOR (array)->data;
-      EMACS_INT size = XBOOL_VECTOR (array)->size;
-      EMACS_INT size_in_chars
+      EMACS_INT size_in_chars;
+      size = XBOOL_VECTOR (array)->size;
+      size_in_chars
         = ((size + BOOL_VECTOR_BITS_PER_CHAR - 1)
            / BOOL_VECTOR_BITS_PER_CHAR);