diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
index 479ced9c8..701a14f78 100644
--- a/cores/arduino/USBAPI.h
+++ b/cores/arduino/USBAPI.h
@@ -65,6 +65,8 @@ class USBDevice_
 	void detach();	// Serial port goes down too...
 	void poll();
 	bool wakeupHost(); // returns false, when wakeup cannot be processed
+
+	bool isSuspended();
 };
 extern USBDevice_ USBDevice;
 
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index 81f689d24..c0a4c7cc0 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -855,4 +855,10 @@ bool USBDevice_::wakeupHost()
 	return false;
 }
 
+bool USBDevice_::isSuspended()
+{
+	return (_usbSuspendState & (1 << SUSPI));
+}
+
+
 #endif /* if defined(USBCON) */