diff --git a/src/blackmisc/simulation/aircraftmodellist.cpp b/src/blackmisc/simulation/aircraftmodellist.cpp
index 7ce3f2173..8917b69e2 100644
--- a/src/blackmisc/simulation/aircraftmodellist.cpp
+++ b/src/blackmisc/simulation/aircraftmodellist.cpp
@@ -1380,8 +1380,8 @@ namespace BlackMisc
             }
 
             // Summary
-            msgs.push_back(CStatusMessage(this).validationInfo(u"File validation, valid models: %1") << validModels.size());
-            msgs.push_back(CStatusMessage(this).validationWarning(u"File validation, invalid models: %1") << invalidModels.size());
+            if (!validModels.isEmpty())   { msgs.push_back(CStatusMessage(this).validationInfo(u"File validation, valid models: %1") << validModels.size()); }
+            if (!invalidModels.isEmpty()) { msgs.push_back(CStatusMessage(this).validationWarning(u"File validation, invalid models: %1") << invalidModels.size()); }
 
             // done
             return msgs;
diff --git a/src/blackmisc/simulation/fscommon/fscommonutil.cpp b/src/blackmisc/simulation/fscommon/fscommonutil.cpp
index 2b0e0b07d..18b226ca4 100644
--- a/src/blackmisc/simulation/fscommon/fscommonutil.cpp
+++ b/src/blackmisc/simulation/fscommon/fscommonutil.cpp
@@ -589,10 +589,16 @@ namespace BlackMisc
                     msgs.push_back(m);
                 }
 
-                m = CStatusMessage(getLogCategories(), CStatusMessage::SeverityInfo, QStringLiteral("cfg validation, %1 valid models").arg(validModels.size()), true);
-                msgs.push_back(m);
-                m = CStatusMessage(getLogCategories(), CStatusMessage::SeverityWarning, QStringLiteral("cfg validation, %1 invalid models").arg(invalidModels.size()), true);
-                msgs.push_back(m);
+                if (!validModels.isEmpty())
+                {
+                    m = CStatusMessage(getLogCategories(), CStatusMessage::SeverityInfo, QStringLiteral("cfg validation, valid models: %1").arg(validModels.size()), true);
+                    msgs.push_back(m);
+                }
+                if (!invalidModels.isEmpty())
+                {
+                    m = CStatusMessage(getLogCategories(), CStatusMessage::SeverityWarning, QStringLiteral("cfg validation, invalid models: %1").arg(invalidModels.size()), true);
+                    msgs.push_back(m);
+                }
 
                 // finished
                 return msgs;