diff --git a/src/args.rs b/src/args.rs
index 86f0f53..941f8d5 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -40,4 +40,3 @@ pub(crate) fn parse_arguments() -> Result<Args, lexopt::Error> {
 
     Ok(args)
 }
-
diff --git a/src/lib.rs b/src/lib.rs
index 2f4c159..86a654c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,9 +1,9 @@
 mod args;
 
-use libc::{c_void, c_int};
+use libc::{c_int, c_void};
 
-extern {
-    fn  nmseffect_set_autodecrypt(_: c_int) -> c_void;
+extern "C" {
+    fn nmseffect_set_autodecrypt(_: c_int) -> c_void;
 }
 
 #[no_mangle]