diff --git a/5_reconstruction/gtAstra3D.m b/5_reconstruction/gtAstra3D.m
index 0a530b4416181ffb77aa0d37191b62412af85c83..3df7d41b33d1ad48997976294c1354abcf66a79a 100644
--- a/5_reconstruction/gtAstra3D.m
+++ b/5_reconstruction/gtAstra3D.m
@@ -1,4 +1,4 @@
-function volume = gtAstra3D(~, ~ ,~, proj);
+function volume = gtAstra3D(~, ~ ,~, proj)
 % GTASTRA3D  3D SIRT reconstruction
 % function volume = gtAstra3D(~, ~ ,~, proj);
 %