diff --git a/nx/include/switch/services/ns.h b/nx/include/switch/services/ns.h
index baee0558..6c4c6479 100644
--- a/nx/include/switch/services/ns.h
+++ b/nx/include/switch/services/ns.h
@@ -22,6 +22,13 @@ typedef enum {
     NsShellEvent_Debug = 4,         ///< Debug
 } NsShellEvent;
 
+/// ApplicationControlSource
+typedef enum {
+    NsApplicationControlSource_CacheOnly   = 0,       ///< Returns data from cache.
+    NsApplicationControlSource_Storage     = 1,       ///< Returns data from storage if not present in cache.
+    NsApplicationControlSource_StorageOnly = 2,       ///< Returns data from storage without using cache.
+} NsApplicationControlSource;
+
 /// BackgroundNetworkUpdateState
 typedef enum {
     NsBackgroundNetworkUpdateState_None        = 0,   ///< No sysupdate task exists.
@@ -140,7 +147,7 @@ Result nsListApplicationContentMetaStatus(u64 titleID, s32 index, NsApplicationC
  * @param[in] size Size of the buffer.
  * @param[out] actual_size Actual output size.
  */
-Result nsGetApplicationControlData(u8 flag, u64 titleID, NsApplicationControlData* buffer, size_t size, u64* actual_size);
+Result nsGetApplicationControlData(NsApplicationControlSource source, u64 titleID, NsApplicationControlData* buffer, size_t size, u64* actual_size);
 
 /**
  * @brief Returns the total storage capacity (used + free) from content manager services.
diff --git a/nx/source/services/ns.c b/nx/source/services/ns.c
index a05fc855..1cc3c158 100644
--- a/nx/source/services/ns.c
+++ b/nx/source/services/ns.c
@@ -186,16 +186,20 @@ Result nsListApplicationContentMetaStatus(u64 titleID, s32 index, NsApplicationC
     );
 }
 
-Result nsGetApplicationControlData(u8 flag, u64 titleID, NsApplicationControlData* buffer, size_t size, u64* actual_size) {
+Result nsGetApplicationControlData(NsApplicationControlSource source, u64 titleID, NsApplicationControlData* buffer, size_t size, u64* actual_size) {
     const struct {
-        u8 flag;
+        u8 source;
         u64 titleID;
-    } in = { flag, titleID };
+    } in = { source, titleID };
 
-    return serviceDispatchInOut(&g_nsAppManSrv, 400, in, *actual_size,
+    u32 tmp=0;
+
+    Result rc = serviceDispatchInOut(&g_nsAppManSrv, 400, in, tmp,
         .buffer_attrs = { SfBufferAttr_HipcMapAlias | SfBufferAttr_Out },
         .buffers = { { buffer, size } },
     );
+    if (R_SUCCEEDED(rc) && actual_size) *actual_size = tmp;
+    return rc;
 }
 
 Result nsGetTotalSpaceSize(FsStorageId storage_id, u64 *size) {