diff --git a/examples/DFRobotAS3935LightningSensorOrdinary/DFRobotAS3935LightningSensorOrdinary.ino b/examples/DFRobotAS3935LightningSensorOrdinary/DFRobotAS3935LightningSensorOrdinary.ino
index 0a02231..69ae375 100644
--- a/examples/DFRobotAS3935LightningSensorOrdinary/DFRobotAS3935LightningSensorOrdinary.ino
+++ b/examples/DFRobotAS3935LightningSensorOrdinary/DFRobotAS3935LightningSensorOrdinary.ino
@@ -106,7 +106,11 @@ void loop()
   }
 }
 //IRQ handler for AS3935 interrupts
+#if defined(ESP32) || defined(ESP8266)
 void IRAM_ATTR AS3935_ISR()
+#else
+void AS3935_ISR()
+#endif
 {
   AS3935IsrTrig = 1;
 }