diff --git a/nx/include/switch/services/bpc.h b/nx/include/switch/services/bpc.h
index a724dcdc..cbddcdde 100644
--- a/nx/include/switch/services/bpc.h
+++ b/nx/include/switch/services/bpc.h
@@ -24,4 +24,4 @@ Service* bpcGetServiceSession(void);
 
 Result bpcShutdownSystem(void);
 Result bpcRebootSystem(void);
-Result bpcGetSleepButtonState(BpcSleepButtonState *out);
+Result bpcGetSleepButtonState(BpcSleepButtonState *out); ///< [2.0.0+]
diff --git a/nx/source/services/bpc.c b/nx/source/services/bpc.c
index 03b88f48..ea462cdb 100644
--- a/nx/source/services/bpc.c
+++ b/nx/source/services/bpc.c
@@ -32,6 +32,9 @@ Result bpcRebootSystem(void) {
 }
 
 Result bpcGetSleepButtonState(BpcSleepButtonState *out) {
+    if (hosversionBefore(2,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
     u8 tmp = 0;
     Result rc = serviceDispatchOut(&g_bpcSrv, 6, tmp);