diff --git a/src/Arduino_LoRaWAN_lmic.h b/src/Arduino_LoRaWAN_lmic.h
index e4ad584..761f1b7 100644
--- a/src/Arduino_LoRaWAN_lmic.h
+++ b/src/Arduino_LoRaWAN_lmic.h
@@ -24,6 +24,10 @@ Copyright notice:
 
 #include <lmic.h>
 
+#if ! (defined(ARDUINO_LMIC_VERSION) && ARDUINO_LMIC_VERSION >= ARDUINO_LMIC_VERSION_CALC(2,3,2,50))
+# error lmic library is out of date. Check ARDUINO_LMIC_VERSION.
+#endif
+
 class Arduino_LoRaWAN::cLMIC
 	{
 public: