diff --git a/app.mlapp b/app.mlapp
index 90e7c21..ca7d062 100644
Binary files a/app.mlapp and b/app.mlapp differ
diff --git a/src/NotWorking/flanger.m b/src/Helper/flanger.m
similarity index 98%
rename from src/NotWorking/flanger.m
rename to src/Helper/flanger.m
index ce4fa51..162b0a7 100644
--- a/src/NotWorking/flanger.m
+++ b/src/Helper/flanger.m
@@ -31,7 +31,7 @@ osc_wave = abs(sin(2*pi*index*(osc_freq/Fs)));
 % convert delay in time to delay in samples
 sample_delay=round(time_delay*Fs);
 % create empty output array
-output = zeros(len,1);
+output = zeros(1, len);
 
 % Generating delay for each sample from reference oscillation wave
 % start loop at sample_delay to make sure delayed sample is from t>=0