diff --git a/src/core/file_sys/ncch_container.cpp b/src/core/file_sys/ncch_container.cpp
index c9be5bf80..97f4415b7 100644
--- a/src/core/file_sys/ncch_container.cpp
+++ b/src/core/file_sys/ncch_container.cpp
@@ -486,7 +486,7 @@ Loader::ResultStatus NCCHContainer::LoadSectionExeFS(const char* name, std::vect
 
             if (FileUtil::Exists(override_ips) && strcmp(name, ".code") == 0) {
                 FileUtil::IOFile ips_file(override_ips, "rb");
-                size_t ips_file_size = ips_file.GetSize();
+                std::size_t ips_file_size = ips_file.GetSize();
                 std::vector<u8> ips(ips_file_size);
 
                 if (ips_file.IsOpen() &&
@@ -543,15 +543,11 @@ Loader::ResultStatus NCCHContainer::ApplyIPS(std::vector<u8>& ips, std::vector<u
         return Loader::ResultStatus::Error;
 
     while (cursor < patch_length) {
-        u32 offset = (ips[cursor]) << 16 | (ips[cursor + 1]) << 8 | (ips[cursor + 2]);
-        u32 length = (ips[cursor + 3]) << 8 | (ips[cursor + 4]);
-        cursor += 5;
+        u32 offset = ips[cursor] << 16 | ips[cursor + 1] << 8 | ips[cursor + 2];
+        std::size_t length = ips[cursor + 3] << 8 | ips[cursor + 4];
 
-        for (int i = 0; i < length; i++) {
-            buffer[offset + i] = ips[cursor + i];
-        }
-
-        cursor += length;
+        std::memcpy(&buffer[offset], &ips[cursor + 5], length);
+        cursor += length + 5;
     }
 
     return Loader::ResultStatus::Success;