diff --git a/src/main.rs b/src/main.rs
index d2bd6e6..f3c24ee 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -164,11 +164,11 @@ impl ELGate {
         }
     }
 
-    pub fn next(&mut self, sample: f32) -> Option<bool> {
+    pub fn next(&mut self, sample: f32) -> Option<f32> {
         Some(self.next_eye(sample)?.0) // Ignore eye
     }
 
-    pub fn next_eye(&mut self, sample: f32) -> Option<(bool, Vec<f32>)> {
+    pub fn next_eye(&mut self, sample: f32) -> Option<(f32, Vec<f32>)> {
         self.buffer.push_front(sample);
         self.current_position += 1.;
         if self.current_position >= self.next_sample {