diff --git a/Python/compile.c b/Python/compile.c
index 687b750..dd49514 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -3323,23 +3323,32 @@ compiler_joined_str(struct compiler *c, expr_ty e)
 
     static PyObject *empty_string;
     static PyObject *join_string;
+    Py_ssize_t len;
 
-    if (!empty_string) {
-        empty_string = PyUnicode_FromString("");
-        if (!empty_string)
-            return 0;
-    }
-    if (!join_string) {
-        join_string = PyUnicode_FromString("join");
-        if (!join_string)
-            return 0;
-    }
+    len = asdl_seq_LEN(e->v.JoinedStr.values);
+    if (len > 2) {
+        if (!empty_string) {
+            empty_string = PyUnicode_FromString("");
+            if (!empty_string)
+                return 0;
+        }
+        if (!join_string) {
+            join_string = PyUnicode_FromString("join");
+            if (!join_string)
+                return 0;
+        }
 
-    ADDOP_O(c, LOAD_CONST, empty_string, consts);
-    ADDOP_NAME(c, LOAD_ATTR, join_string, names);
+        ADDOP_O(c, LOAD_CONST, empty_string, consts);
+        ADDOP_NAME(c, LOAD_ATTR, join_string, names);
+    }
     VISIT_SEQ(c, expr, e->v.JoinedStr.values);
-    ADDOP_I(c, BUILD_LIST, asdl_seq_LEN(e->v.JoinedStr.values));
-    ADDOP_I(c, CALL_FUNCTION, 1);
+    if (len > 2) {
+        ADDOP_I(c, BUILD_TUPLE, len);
+        ADDOP_I(c, CALL_FUNCTION, 1);
+    }
+    else {
+        ADDOP(c, BINARY_ADD);
+    }
     return 1;
 }