diff --git a/src/blackmisc/simulation/aircraftmodel.cpp b/src/blackmisc/simulation/aircraftmodel.cpp
index 4e2066ba3..6bdc4ecee 100644
--- a/src/blackmisc/simulation/aircraftmodel.cpp
+++ b/src/blackmisc/simulation/aircraftmodel.cpp
@@ -142,7 +142,7 @@ namespace BlackMisc
             const ModelType t = this->getModelType();
             if (t == TypeOwnSimulatorModel || t == TypeManuallySet || t == TypeDatabaseEntry)
             {
-                if (!this->existsCorrespondingFile())
+                if (!this->hasExistingCorrespondingFile())
                 {
                     const CStatusMessage m = CStatusMessage(this).validationError("File '%1' not readable") << this->getFileName();
                     msgs.push_back(m);
@@ -631,7 +631,7 @@ namespace BlackMisc
             return true;
         }
 
-        bool CAircraftModel::existsCorrespondingFile() const
+        bool CAircraftModel::hasExistingCorrespondingFile() const
         {
             if (!this->hasFileName()) { return false; }
             const QFileInfo fi(this->getFileName());
diff --git a/src/blackmisc/simulation/aircraftmodel.h b/src/blackmisc/simulation/aircraftmodel.h
index 9d416ac50..e58cdf75d 100644
--- a/src/blackmisc/simulation/aircraftmodel.h
+++ b/src/blackmisc/simulation/aircraftmodel.h
@@ -374,11 +374,14 @@ namespace BlackMisc
             // ---------------- simulator file related functions -------------------
 
             //! File name (corresponding data for simulator, only available if representing simulator model
-            QString getFileName() const { return m_fileName; }
+            const QString &getFileName() const { return m_fileName; }
 
             //! File name?
             bool hasFileName() const { return !m_fileName.isEmpty(); }
 
+            //! Does the corresponding file exist?
+            bool hasExistingCorrespondingFile() const;
+
             //! File name
             void setFileName(const QString &fileName) { m_fileName = fileName; }
 
@@ -419,9 +422,6 @@ namespace BlackMisc
             //! Adjust file names to a new directory
             bool adjustLocalFileNames(const QString &newModelDir, const QString &stripModelDirIndicator = {});
 
-            //! Does the corresponding file exist?
-            bool existsCorrespondingFile() const;
-
             // ---------------- end file related functions --------------
 
             //! Verify the model data
diff --git a/src/blackmisc/simulation/aircraftmodellist.cpp b/src/blackmisc/simulation/aircraftmodellist.cpp
index d9780ad5d..74f9331e4 100644
--- a/src/blackmisc/simulation/aircraftmodellist.cpp
+++ b/src/blackmisc/simulation/aircraftmodellist.cpp
@@ -349,7 +349,7 @@ namespace BlackMisc
         {
             return this->findBy([](const CAircraftModel & model)
             {
-                return !model.existsCorrespondingFile();
+                return !model.hasExistingCorrespondingFile();
             });
         }
 
@@ -357,7 +357,7 @@ namespace BlackMisc
         {
             return this->findBy([](const CAircraftModel & model)
             {
-                return model.existsCorrespondingFile();
+                return model.hasExistingCorrespondingFile();
             });
         }