diff --git a/core/src/lib.rs b/core/src/lib.rs
index 530a1d206c1..a1bad23521d 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -300,7 +300,10 @@ pub mod __macro {
         // only set logger if export e8 was found
         #[cfg(feature = "log")]
         if ARC_INSTANCE.e8.is_some() {
-            let _ = log::set_boxed_logger(Box::new(WindowLogger::new(name)));
+            let result = log::set_boxed_logger(Box::new(WindowLogger::new(name)));
+            if result.is_ok() {
+                log::set_max_level(log::LevelFilter::Trace);
+            }
         }
     }
 
diff --git a/core/src/log.rs b/core/src/log.rs
index b5510871aa9..9cae10dc469 100644
--- a/core/src/log.rs
+++ b/core/src/log.rs
@@ -24,7 +24,12 @@ impl Log for WindowLogger {
 
     fn log(&self, record: &Record) {
         // TODO: coloring
-        let message = format!("{} {}: {}", self.name, record.level(), record.args());
+        let message = format!(
+            "{} {}: {}",
+            self.name,
+            record.level().to_string().to_lowercase(),
+            record.args()
+        );
         let _ = log_to_window(message);
     }