diff --git a/src/catalyst/catalystTools.C b/src/catalyst/catalystTools.C
index 9ab35b7ba19247f8c61bed97ab60e8b19fff0b67..815ce81701f54ba2fca854de26f66bdabe80ecbe 100644
--- a/src/catalyst/catalystTools.C
+++ b/src/catalyst/catalystTools.C
@@ -151,7 +151,7 @@ Foam::label Foam::catalyst::dataQuery::query(vtkCPProcessor* coproc)
     }
 
     HashSet<fileName> oldChannels(currChannels);
-    oldChannels.eraseMany(inputNames);
+    oldChannels.erase(inputNames);
 
     if (oldChannels.size())
     {