diff --git a/Source/Processors/FileReader/KwikFileSource.cpp b/Source/Processors/FileReader/KwikFileSource.cpp
index d609d382f2f8c54c555ff8de33cbffeb8a0f199b..d540c5afc12449335fc4994024a009d7de09676e 100644
--- a/Source/Processors/FileReader/KwikFileSource.cpp
+++ b/Source/Processors/FileReader/KwikFileSource.cpp
@@ -116,7 +116,7 @@ void KWIKFileSource::fillRecordInfo()
                 for (int i=0; i < dims[1]; i++)
                 {
                     RecordedChannelInfo c;
-                    c.name = "CH" + i;
+                    c.name = "CH" + String(i);
                     c.bitVolts = bitVoltArray[i];
                     info.channels.add(c);
                 }