diff --git a/adi/compat.py b/adi/compat.py
index 88c641f93..00598a7a3 100644
--- a/adi/compat.py
+++ b/adi/compat.py
@@ -11,7 +11,7 @@
 class compat_libiio:
     """Compatibility class for libiio v1.X."""
 
-    def __is_libiio_v1(self):
+    def _is_libiio_v1(self) -> bool:
         """Check is we are using >= v1.X."""
         v = iio.version
         return v[0] >= 1
diff --git a/adi/rx_tx.py b/adi/rx_tx.py
index 6ae03a663..4b2682555 100644
--- a/adi/rx_tx.py
+++ b/adi/rx_tx.py
@@ -54,7 +54,7 @@ def __init__(self, rx_buffer_size=1024):
         self._num_rx_channels = len(self._rx_channel_names)
         self.rx_enabled_channels = rx_enabled_channels
         self.rx_buffer_size = rx_buffer_size
-        if self.__is_libiio_v1():
+        if self._is_libiio_v1():
             self._setup_v1_rx()
 
     @property
@@ -325,7 +325,7 @@ def __init__(self, tx_cyclic_buffer=False):
         self.tx_enabled_channels = tx_enabled_channels
         self.tx_cyclic_buffer = tx_cyclic_buffer
         dds.__init__(self)
-        if self.__is_libiio_v1():
+        if self._is_libiio_v1():
             self._setup_v1_tx()
 
     def __del__(self):