diff --git a/Modules/pwdmodule.c b/Modules/pwdmodule.c
--- a/Modules/pwdmodule.c
+++ b/Modules/pwdmodule.c
@@ -72,7 +72,13 @@
     SETS(setIndex++, p->pw_passwd);
     PyStructSequence_SET_ITEM(v, setIndex++, _PyLong_FromUid(p->pw_uid));
     PyStructSequence_SET_ITEM(v, setIndex++, _PyLong_FromGid(p->pw_gid));
+#ifdef __ANDROID__
+    /* Bionic exposes no GECOS field. */
+    SETS(setIndex++, Py_None);
+    Py_INCREF(Py_None);
+#else
     SETS(setIndex++, p->pw_gecos);
+#endif
     SETS(setIndex++, p->pw_dir);
     SETS(setIndex++, p->pw_shell);