diff --git a/pandas/io/formats/format.py b/pandas/io/formats/format.py
index b981c2feea380..6adf69a922000 100644
--- a/pandas/io/formats/format.py
+++ b/pandas/io/formats/format.py
@@ -1230,7 +1230,7 @@ def _format(x):
                     if x is None:
                         return "None"
                     elif x is NA:
-                        return formatter(x)
+                        return str(NA)
                     elif x is NaT or np.isnat(x):
                         return "NaT"
                 except (TypeError, ValueError):