diff --git a/ports/cxd56/boards/spresense/mpconfigboard.h b/ports/cxd56/boards/spresense/mpconfigboard.h
index 0245e20450..c53f6b418c 100644
--- a/ports/cxd56/boards/spresense/mpconfigboard.h
+++ b/ports/cxd56/boards/spresense/mpconfigboard.h
@@ -36,3 +36,6 @@
 
 #define DEFAULT_UART_BUS_RX (&pin_UART2_RXD)
 #define DEFAULT_UART_BUS_TX (&pin_UART2_TXD)
+
+#define MICROPY_PY_REVERSE_SPECIAL_METHODS          (1)
+
diff --git a/ports/mimxrt10xx/mpconfigport.h b/ports/mimxrt10xx/mpconfigport.h
index 745c12f7de..7e7df01230 100644
--- a/ports/mimxrt10xx/mpconfigport.h
+++ b/ports/mimxrt10xx/mpconfigport.h
@@ -44,7 +44,7 @@ extern uint8_t _ld_default_stack_size;
 #define MICROPY_PY_FUNCTION_ATTRS                   (0)
 #define MICROPY_PY_IO                               (1)
 #define MICROPY_PY_UJSON                            (1)
-#define MICROPY_PY_REVERSE_SPECIAL_METHODS          (0)
+#define MICROPY_PY_REVERSE_SPECIAL_METHODS          (1)
 
 
 #define CIRCUITPY_INTERNAL_FLASH_FILESYSTEM_START_ADDR ((uint32_t) &_ld_filesystem_start)