diff --git a/src/encoder.rs b/src/encoder.rs
index fa9076a..7c603c7 100644
--- a/src/encoder.rs
+++ b/src/encoder.rs
@@ -39,8 +39,8 @@ pub fn encode(input: &Path, output: &Path, initials: &str, signature: &str, orig
     };
 
     let ys: Vec<u32> = match origin {
-        ORIGIN_BOTTOM_LEFT | ORIGIN_BOTTOM_RIGHT => (0..height).collect(),
-        ORIGIN_TOP_LEFT | ORIGIN_TOP_RIGHT => (0..height).rev().collect(),
+        ORIGIN_BOTTOM_LEFT | ORIGIN_BOTTOM_RIGHT => (0..height).rev().collect(),
+        ORIGIN_TOP_LEFT | ORIGIN_TOP_RIGHT => (0..height).collect(),
         _ => return Err(GfxError::InvalidOrigin("Invalid origin".into())),
     };