diff --git a/mlx/backend/common/compiled_cpu.cpp b/mlx/backend/common/compiled_cpu.cpp
index cba6325c8..853617f5a 100644
--- a/mlx/backend/common/compiled_cpu.cpp
+++ b/mlx/backend/common/compiled_cpu.cpp
@@ -47,7 +47,7 @@ bool compile_available_for_device(const Device& device) {
 } // namespace detail
 
 std::string get_temp_file(const std::string& name) {
-  return std::filesystem::temp_directory_path().append(name);
+  return std::filesystem::temp_directory_path().append(name).string();
 }
 
 // Return a pointer to a compiled function
diff --git a/mlx/utils.cpp b/mlx/utils.cpp
index 847432370..73ab4bf2e 100644
--- a/mlx/utils.cpp
+++ b/mlx/utils.cpp
@@ -152,7 +152,7 @@ std::ostream& operator<<(std::ostream& os, int8_t x) {
 }
 
 std::ostream& operator<<(std::ostream& os, uint8_t x) {
-  os << static_cast<uint>(x);
+  os << static_cast<unsigned int>(x);
   return os;
 }