diff --git a/openbsd/Platform.h b/openbsd/Platform.h
index 9d2701dc..a624bb7b 100644
--- a/openbsd/Platform.h
+++ b/openbsd/Platform.h
@@ -57,4 +57,6 @@ bool Platform_getNetworkIO(unsigned long int* bytesReceived,
                            unsigned long int* bytesTransmitted,
                            unsigned long int* packetsTransmitted);
 
+void Platform_getBattery(double* level, ACPresence* isOnAC);
+
 #endif