1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/calc/calc-aent.el b/lisp/calc/calc-aent.el
index 49aae82a950..2b0cf9a004a 100644
--- a/lisp/calc/calc-aent.el
+++ b/lisp/calc/calc-aent.el
@@ -771,6 +771,7 @@ in Calc algebraic input.")
                             math-expr-data "[")
                       (cond ((or (string= envname "matrix")
                                  (string= envname "bmatrix")
+                                 (string= envname "smallmatrix")
                                  (string= envname "pmatrix"))
                              (if (setq j (string-match (concat "\\\\end{" envname "}")
                                                math-exp-str math-exp-pos))