diff --git a/sys/build.rs b/sys/build.rs
index eec7ecc..7e0fa9e 100644
--- a/sys/build.rs
+++ b/sys/build.rs
@@ -188,9 +188,10 @@ fn main() {
 
     // Allow passing any WHISPER or CMAKE compile flags
     for (key, value) in env::vars() {
-        let is_whisper_flag = key.starts_with("WHISPER_") && key != "WHISPER_DONT_GENERATE_BINDINGS";
+        let is_whisper_flag =
+            key.starts_with("WHISPER_") && key != "WHISPER_DONT_GENERATE_BINDINGS";
         let is_cmake_flag = key.starts_with("CMAKE_");
-        if  is_whisper_flag || is_cmake_flag {
+        if is_whisper_flag || is_cmake_flag {
             config.define(&key, &value);
         }
     }