diff --git a/OOequipment/Channel.m b/OOequipment/Channel.m
index 0d7faf7..9f166ad 100644
--- a/OOequipment/Channel.m
+++ b/OOequipment/Channel.m
@@ -126,7 +126,7 @@ classdef Channel
                     c = ch.scope.write(['CHAN',num2str(ch.channelnumber),':',string]);
                 end
             else
-                c = ['CHAN',num2str(ch.channelnumber),':',string,' ',in];
+                c = ch.scope.write(['CHAN',num2str(ch.channelnumber),':',string,' ',in]);
             end
         end