diff --git a/matlab/LaguerrePoly.m b/matlab/LaguerrePoly.m
index 580d98ee5ce2b85c8ec4ecc2c46141f2717240ff..bf53c42e24f7fb1a28c157f26526b7acc9eea536 100644
--- a/matlab/LaguerrePoly.m
+++ b/matlab/LaguerrePoly.m
@@ -12,7 +12,7 @@ function Lk = LaguerrePoly(n)
 if n==0 
     Lk = 1;
 elseif n==1
-    Lk = [-1 1];
+    Lk = [-1 1]';
 else
     
     Lkm2 = zeros(n+1,1);