diff --git a/mopro-msm/Cargo.toml b/mopro-msm/Cargo.toml
index 8557e45..11f3639 100644
--- a/mopro-msm/Cargo.toml
+++ b/mopro-msm/Cargo.toml
@@ -9,6 +9,7 @@ default = ["macos"]
 
 macos = []
 ios = []
+profiling-release = []
 
 [dependencies]
 ## Shared dependencies
diff --git a/mopro-msm/build.rs b/mopro-msm/build.rs
index fc92c91..c6e9d4f 100644
--- a/mopro-msm/build.rs
+++ b/mopro-msm/build.rs
@@ -25,16 +25,12 @@ fn compile_shaders() {
             get_sdk(),
             "metal",
             "-c",
-            "-frecord-sources",
             shader_path.to_str().unwrap(),
             "-o",
             air_output.to_str().unwrap(),
         ];
 
-        if std::env::var("PROFILE")
-            .map(|profile| profile == "release")
-            .unwrap_or(false)
-        {
+        if cfg!(feature = "profiling-release") {
             args.push("-frecord-sources");
         }
 
@@ -62,10 +58,7 @@ fn compile_shaders() {
         metallib_output.to_str().unwrap(),
     ];
 
-    if std::env::var("PROFILE")
-        .map(|profile| profile == "release")
-        .unwrap_or(false)
-    {
+    if cfg!(feature = "profiling-release") {
         metallib_args.push("-frecord-sources");
     }