diff --git a/src/base/kernel/Platform_mac.cpp b/src/base/kernel/Platform_mac.cpp
index 20ad9652..7715b8d7 100644
--- a/src/base/kernel/Platform_mac.cpp
+++ b/src/base/kernel/Platform_mac.cpp
@@ -107,3 +107,10 @@ bool xmrig::Platform::isOnBatteryPower()
 {
     return IOPSGetTimeRemainingEstimate() != kIOPSTimeRemainingUnlimited;
 }
+
+
+bool xmrig::Platform::isUserActive()
+{
+    // TODO
+    return false;
+}