diff --git a/src/ox/std/memops.cpp b/src/ox/std/memops.cpp
index abde8da63..e24a3def3 100644
--- a/src/ox/std/memops.cpp
+++ b/src/ox/std/memops.cpp
@@ -11,18 +11,22 @@
 
 #ifndef OX_USE_STDLIB
 
+#define ox_inhibit_loop_to_libcall __attribute__((__optimize__ ("-fno-tree-loop-distribute-patterns")))
+
 extern "C" {
 
-void *memcpy(void *dest, const void *src, std::size_t size) {
+void *ox_inhibit_loop_to_libcall memcpy(void *dest, const void *src, std::size_t size) {
 	return ox_memcpy(dest, src, size);
 }
 
-void *memset(void *ptr, int val, std::size_t size) {
+void *ox_inhibit_loop_to_libcall memset(void *ptr, int val, std::size_t size) {
 	return ox_memset(ptr, val, size);
 }
 
 }
 
+#undef ox_inhibit_loop_to_libcall
+
 #endif
 
 int ox_memcmp(const void *ptr1, const void *ptr2, std::size_t size) noexcept {
diff --git a/src/ox/std/memops.hpp b/src/ox/std/memops.hpp
index 5e4a57059..948e98be9 100644
--- a/src/ox/std/memops.hpp
+++ b/src/ox/std/memops.hpp
@@ -28,9 +28,9 @@ constexpr void *ox_memcpy(void *dest, const void *src, std::size_t size) noexcep
 }
 
 constexpr void *ox_memset(void *ptr, int val, std::size_t size) noexcept {
-	auto buf = static_cast<char*>(ptr);
+	auto buf = reinterpret_cast<uint8_t*>(ptr);
 	for (std::size_t i = 0; i < size; i++) {
-		buf[i] = val;
+		buf[i] = static_cast<uint8_t>(val);
 	}
 	return ptr;
 }