diff --git a/bacnet-stack/ports/at91sam7s/device.c b/bacnet-stack/ports/at91sam7s/device.c
index 54ab2bc0..e07f22fa 100644
--- a/bacnet-stack/ports/at91sam7s/device.c
+++ b/bacnet-stack/ports/at91sam7s/device.c
@@ -477,7 +477,7 @@ int Device_Encode_Property_APDU(
     return apdu_len;
 }
 
-bool Device_Write_Property_APDU(
+bool Device_Write_Property(
     BACNET_WRITE_PROPERTY_DATA * wp_data,
     BACNET_ERROR_CLASS * error_class,
     BACNET_ERROR_CODE * error_code)