diff --git a/nx/include/switch/services/applet.h b/nx/include/switch/services/applet.h
index 62b305ff..ae5475fb 100644
--- a/nx/include/switch/services/applet.h
+++ b/nx/include/switch/services/applet.h
@@ -203,7 +203,7 @@ Result appletEndBlockingHomeButton(void);
  * @param count Total entries in the input/output arrays.
  * @param out Output s32.
  */
-Result appletQueryApplicationPlayStatistics(AppletApplicationPlayStatistics *stats, u64 *titleIDs, s32 count, s32 *out);
+Result appletQueryApplicationPlayStatistics(AppletApplicationPlayStatistics *stats, const u64 *titleIDs, s32 count, s32 *out);
 
 /**
  * @brief Delay exiting until \ref appletUnlockExit is called, with a 15 second timeout once exit is requested.
diff --git a/nx/source/services/applet.c b/nx/source/services/applet.c
index 6246f228..c9817673 100644
--- a/nx/source/services/applet.c
+++ b/nx/source/services/applet.c
@@ -1123,7 +1123,7 @@ Result appletInitializeGamePlayRecording(void) {
 }
 
 //Official sw has this under 'pdm'.
-Result appletQueryApplicationPlayStatistics(AppletApplicationPlayStatistics *stats, u64 *titleIDs, s32 count, s32 *out) {
+Result appletQueryApplicationPlayStatistics(AppletApplicationPlayStatistics *stats, const u64 *titleIDs, s32 count, s32 *out) {
     IpcCommand c;
     ipcInitialize(&c);