diff --git a/adafruit_rfm69.py b/adafruit_rfm69.py
index 23df7f5..407407f 100644
--- a/adafruit_rfm69.py
+++ b/adafruit_rfm69.py
@@ -312,7 +312,7 @@ def __init__(  # pylint: disable=invalid-name
         self.reset()  # Reset the chip.
         # Check the version of the chip.
         version = self._read_u8(_REG_VERSION)
-        if version != 0x24:
+        if version not in (0x23, 0x24):
             raise RuntimeError("Invalid RFM69 version, check wiring!")
         self.idle()  # Enter idle state.
         # Setup the chip in a similar way to the RadioHead RFM69 library.