diff --git a/examples/DFRobotAS3935LightningSensorDetailed/DFRobotAS3935LightningSensorDetailed.ino b/examples/DFRobotAS3935LightningSensorDetailed/DFRobotAS3935LightningSensorDetailed.ino
index c3d7f84..4ebb707 100644
--- a/examples/DFRobotAS3935LightningSensorDetailed/DFRobotAS3935LightningSensorDetailed.ino
+++ b/examples/DFRobotAS3935LightningSensorDetailed/DFRobotAS3935LightningSensorDetailed.ino
@@ -128,7 +128,11 @@ void loop()
 }
 
 //IRQ handler for AS3935 interrupts
+#if defined(ESP32) || defined(ESP8266)
 void IRAM_ATTR AS3935_ISR()
+#else
+void AS3935_ISR()
+#endif
 {
   AS3935IsrTrig = 1;
 }