diff --git a/nx/include/switch/services/applet.h b/nx/include/switch/services/applet.h
index 0bd0cfcc..d46f6faa 100644
--- a/nx/include/switch/services/applet.h
+++ b/nx/include/switch/services/applet.h
@@ -1354,6 +1354,13 @@ Result appletQueryApplicationPlayStatisticsByUid(u128 userID, PdmApplicationPlay
  */
 Result appletGetGpuErrorDetectedSystemEvent(Event *out_event);
 
+/**
+ * @brief Launches the jit-sysmodule when it was not previously launched by this cmd. Returns 0 when it was previously launched.
+ * @note Only available with AppletType_*Application on [5.0.0+].
+ * @note Requires the jit-sysmodule to actually be installed.
+ */
+Result appletPrepareForJit(void);
+
 // IHomeMenuFunctions
 
 /**
diff --git a/nx/source/services/applet.c b/nx/source/services/applet.c
index 84e8fceb..8e1c07a4 100644
--- a/nx/source/services/applet.c
+++ b/nx/source/services/applet.c
@@ -4287,6 +4287,15 @@ Result appletGetGpuErrorDetectedSystemEvent(Event *out_event) {
     return _appletGetEvent(&g_appletIFunctions, out_event, 130, false);
 }
 
+Result appletPrepareForJit(void) {
+    if (!serviceIsActive(&g_appletSrv) || !_appletIsApplication())
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+    if (hosversionBefore(5,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    return _appletCmdNoIO(&g_appletIFunctions, 1001);
+}
+
 // IHomeMenuFunctions
 
 Result appletRequestToGetForeground(void) {