diff --git a/boring-sys/build/main.rs b/boring-sys/build/main.rs
index 542d9663..d9c26b45 100644
--- a/boring-sys/build/main.rs
+++ b/boring-sys/build/main.rs
@@ -581,13 +581,16 @@ fn main() {
     if !config.env.docs_rs {
         emit_link_directives(&config);
     }
-    if config.features.prefix_symbols
-        && ["macos", "ios", "windows"].contains(&config.target_os.as_str())
-    {
-        panic!("The `prefix_symbols` feature is not supported on macOS/iOS or windows targets.");
-    }
+
     if config.features.prefix_symbols {
-        prefix_symbols(&config);
+        match config.target_os.as_str() {
+            "macos" | "ios" | "windows" => {
+                panic!(
+                    "The `prefix_symbols` feature is not supported on macOS/iOS or windows targets."
+                );
+            }
+            _ => prefix_symbols(&config),
+        }
     }
     generate_bindings(&config);
 }