diff --git a/README.md b/README.md
index 6f62caf..cd04059 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ use {
 fn main() {
     let mut encoder = Encoder::new("Hello, World!".as_bytes(), vec![], None, Some(76));
     encoder.encode().unwrap();
-    assert_eq!(encoder.output(), b"SGVsbG8sIFdvcmxkIQ==");
+    assert_eq!(encoder.output(), b"SGVsbG8sIFdvcmxkIQ==\n");
 }
 ```
 
diff --git a/src/encode.rs b/src/encode.rs
index 7293373..f58ec66 100644
--- a/src/encode.rs
+++ b/src/encode.rs
@@ -15,7 +15,7 @@ use {
 /// # fn main() {
 /// let mut encoder = Encoder::new("Hello, World!".as_bytes(), vec![], None, Some(76));
 /// encoder.encode().unwrap();
-/// assert_eq!(encoder.output(), b"SGVsbG8sIFdvcmxkIQ==");
+/// assert_eq!(encoder.output(), b"SGVsbG8sIFdvcmxkIQ==\n");
 /// # }
 /// ```
 pub struct Encoder<R: Read, W: Write> {
@@ -93,6 +93,13 @@ impl<R: Read, W: Write> Encoder<R, W> {
                 self.writer.write_all(&obuf)?;
             }
             if outlen < 4 {
+                if let Some(wrap) = self.wrap {
+                    if total % wrap != 0 {
+                        writeln!(self.writer)?;
+                    }
+                } else {
+                    writeln!(self.writer)?;
+                }
                 break;
             }
         }
@@ -121,10 +128,10 @@ mod tests {
             wrap: None,
         };
         encoder.encode().unwrap();
-        assert_eq!(encoder.writer, b"SGVsbG8sIFdvcmxkIQ==");
+        assert_eq!(encoder.writer, b"SGVsbG8sIFdvcmxkIQ==\n");
         encoder = Encoder::new("Hello, World!\n".as_bytes(), vec![], None, None);
         encoder.encode().unwrap();
-        assert_eq!(encoder.writer, b"SGVsbG8sIFdvcmxkIQo=");
+        assert_eq!(encoder.writer, b"SGVsbG8sIFdvcmxkIQo=\n");
     }
 
     #[test]