diff --git a/src/gui/channellist.cpp b/src/gui/channellist.cpp
index 91c6a21f3..b154aa8b2 100644
--- a/src/gui/channellist.cpp
+++ b/src/gui/channellist.cpp
@@ -1425,7 +1425,7 @@ int CChannelList::numericZap(int key)
 			// do nothing
 		}
 		else if (CRCInput::isNumeric(msg)) {
-			if (pos == 4) {
+			if (pos == (int) maxchansize) {
 				chn = 0;
 				pos = 1;
 			} else {