diff --git a/eeschema/dialogs/dialog_fields_editor_global.cpp b/eeschema/dialogs/dialog_fields_editor_global.cpp
index 1f2f53593b..1d1ad872b5 100644
--- a/eeschema/dialogs/dialog_fields_editor_global.cpp
+++ b/eeschema/dialogs/dialog_fields_editor_global.cpp
@@ -287,7 +287,7 @@ public:
     {
         // If items are unannotated then we can't tell if they're units of the same
         // component or not
-        if( lhRef.GetRefNumber() != wxT( "?" ) )
+        if( lhRef.GetRefNumber() == wxT( "?" ) )
             return false;
 
         return ( lhRef.GetRef() == rhRef.GetRef() && lhRef.GetRefNumber() == rhRef.GetRefNumber() );