diff --git a/libctru/include/3ds/services/fspxi.h b/libctru/include/3ds/services/fspxi.h
index 5328331..b233eaf 100644
--- a/libctru/include/3ds/services/fspxi.h
+++ b/libctru/include/3ds/services/fspxi.h
@@ -597,7 +597,7 @@ Result FSPXI_ReadNandReport(Handle serviceHandle, void* buffer, u32 size, u32 un
  * @brief Unknown command 0x56
  * @remark Called by FSUSER_ControlArchive with ArchiveAction 0x789D
  */
-Result FSPXI_Unknown0x56(Handle serviceHandle, u32 out[static 4], FS_Archive archive, FS_Path path);
+Result FSPXI_Unknown0x56(Handle serviceHandle, u32 out[4], FS_Archive archive, FS_Path path);
 
 #undef DEFINE_PXIFS_SERVICE_METHOD
 #undef DEFINE_SERVICE_METHOD
diff --git a/libctru/source/services/fspxi.c b/libctru/source/services/fspxi.c
index 3cb4dd4..e16c032 100644
--- a/libctru/source/services/fspxi.c
+++ b/libctru/source/services/fspxi.c
@@ -1362,7 +1362,7 @@ Result FSPXI_ReadNandReport(Handle serviceHandle, void* buffer, u32 size, u32 un
 	return (Result) cmdbuf[1];
 }
 
-Result FSPXI_Unknown0x56(Handle serviceHandle, u32 out[static 4], FS_Archive archive, FS_Path path)
+Result FSPXI_Unknown0x56(Handle serviceHandle, u32 out[4], FS_Archive archive, FS_Path path)
 {
     Result ret = 0;
     u32 *cmdbuf = getThreadCommandBuffer();