diff --git a/applicationdata.cpp b/applicationdata.cpp
index 9b07a6c..c209152 100644
--- a/applicationdata.cpp
+++ b/applicationdata.cpp
@@ -224,6 +224,7 @@ void ApplicationData::readConfig()
         }
         newConnection.channels = channelsString.split(',');
         for (auto &ch: newConnection.channels) {
+            if (ch.isEmpty()) continue;
             ch.remove(' ');
             if (not ch.startsWith('#')) {
                 ch = '#' + ch;