diff --git a/src/main.rs b/src/main.rs
index 93f49b5..2c110dd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,7 +31,7 @@ static LOG_FILE: std::sync::Mutex<Option<File>> = std::sync::Mutex::new(None);
 
 pub fn log2java(text: String) {
     if let Ok(mut l) = LOG_FILE.lock() {
-        if let Some(ff) = l.take() {
+        if let Some(mut ff) = l.take() {
             ff.write_all(text.as_bytes());
             //jni::FridaLib::traceFromNative(l.unwrap(), text);
         }