diff --git a/nx/include/switch/services/set.h b/nx/include/switch/services/set.h
index 52c31733..95c78957 100644
--- a/nx/include/switch/services/set.h
+++ b/nx/include/switch/services/set.h
@@ -438,3 +438,10 @@ Result setsysSetPlatformRegion(SetSysPlatformRegion region);
  * @param[out] out HomeMenuSchemeModel.
  */
 Result setsysGetHomeMenuSchemeModel(u32 *out);
+
+/**
+ * @brief GetMemoryUsageRateFlag
+ * @note Only available on [9.0.0+].
+ * @param[out] out Output flag.
+ */
+Result setsysGetMemoryUsageRateFlag(bool *out);
diff --git a/nx/source/services/set.c b/nx/source/services/set.c
index edd22428..2d7bb84f 100644
--- a/nx/source/services/set.c
+++ b/nx/source/services/set.c
@@ -521,3 +521,10 @@ Result setsysGetHomeMenuSchemeModel(u32 *out) {
 
     return _setCmdNoInOutU32(&g_setsysSrv, out, 185);
 }
+
+Result setsysGetMemoryUsageRateFlag(bool *out) {
+    if (hosversionBefore(9,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return _setCmdNoInOutBool(&g_setsysSrv, out, 186);
+}