diff --git a/Modules/_csv.c b/Modules/_csv.c
index da61db9..594f6c1 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -1040,6 +1040,9 @@
                     else
                         want_escape = 1;
                 }
+                else if (c == dialect->escapechar) {
+                    want_escape = 1;
+                }
                 if (!want_escape)
                     *quoted = 1;
             }