diff --git a/src/blackmisc/logcategory.h b/src/blackmisc/logcategory.h
index b829cc9af..5777c98ae 100644
--- a/src/blackmisc/logcategory.h
+++ b/src/blackmisc/logcategory.h
@@ -180,6 +180,13 @@ namespace BlackMisc
             return cat;
         }
 
+        //! Data inconsistency
+        static const CLogCategory &dataInconsistency()
+        {
+            static const CLogCategory cat { "swift.datainconsistency" };
+            return cat;
+        }
+
         //! Startup of application
         static const CLogCategory &startup()
         {
@@ -239,6 +246,7 @@ namespace BlackMisc
                 cache(),
                 context(),
                 contextSlot(),
+                dataInconsistency(),
                 download(),
                 driver(),
                 guiComponent(),
diff --git a/src/blackmisc/logpattern.cpp b/src/blackmisc/logpattern.cpp
index a7897ae58..e18ec6594 100644
--- a/src/blackmisc/logpattern.cpp
+++ b/src/blackmisc/logpattern.cpp
@@ -45,8 +45,9 @@ namespace BlackMisc
             { "swift context slots",         exactMatch(CLogCategory::contextSlot()) },
             { "swift GUI",                   exactMatch(CLogCategory::guiComponent()) },
             { "downloading data",            exactMatch(CLogCategory::download()) },
-            { "VASTIM specific",             exactMatch(CLogCategory::vatsimSpecific()) },
+            { "VATSIM specific",             exactMatch(CLogCategory::vatsimSpecific()) },
             { "webservice related",          exactMatch(CLogCategory::webservice()) },
+            { "data inconsistency",          exactMatch(CLogCategory::dataInconsistency()) },
             { "startup phase",               exactMatch(CLogCategory::startup()) },
             { "swift DB webservice related", exactMatch(CLogCategory::swiftDbWebservice()) },
             { "swift core",                  exactMatch(CLogCategory::swiftCore()) },