diff --git a/quickfix/src/lib.rs b/quickfix/src/lib.rs
index a4ef909..ae2a027 100644
--- a/quickfix/src/lib.rs
+++ b/quickfix/src/lib.rs
@@ -184,6 +184,13 @@ impl_as_fix_value!(isize);
 impl_as_fix_value!(f32);
 impl_as_fix_value!(f64);
 
+impl AsFixValue for bool {
+    fn as_fix_value(&self) -> String {
+        // Check reference here: https://www.onixs.biz/fix-dictionary/4.3/tagNum_575.html
+        if *self { "Y" } else { "N" }.to_string()
+    }
+}
+
 /// Stores and organizes a collection of Fields.
 ///
 /// This is the basis for a message, header, and trailer.  This collection
diff --git a/quickfix/tests/test_messages.rs b/quickfix/tests/test_messages.rs
index 07d7c39..afde005 100644
--- a/quickfix/tests/test_messages.rs
+++ b/quickfix/tests/test_messages.rs
@@ -47,14 +47,18 @@ fn test_from_text() {
 }
 
 #[test]
-fn test_set_field() {
+fn test_set_field() -> Result<(), QuickFixError> {
     let mut msg = Message::new();
-    msg.set_field(42, "foo").unwrap();
-    msg.set_field(56, "bar").unwrap();
+    msg.set_field(42, "foo")?;
+    msg.set_field(56, "bar")?;
+    msg.set_field(89, true)?;
+    msg.set_field(78, false)?;
+    msg.set_field(489, 1234)?;
     assert_eq!(
         msg.as_string().as_deref(),
-        Ok("9=14\u{1}42=foo\u{1}56=bar\u{1}10=162\u{1}")
+        Ok("9=33\u{1}42=foo\u{1}56=bar\u{1}78=N\u{1}89=Y\u{1}489=1234\u{1}10=083\u{1}")
     );
+    Ok(())
 }
 
 #[test]