diff --git a/httpserver/httpdocrootsettings.h b/httpserver/httpdocrootsettings.h
index ebcc73bff..1bb3a7d15 100644
--- a/httpserver/httpdocrootsettings.h
+++ b/httpserver/httpdocrootsettings.h
@@ -12,8 +12,9 @@
 
 namespace qtwebapp {
 
-struct HttpDocrootSettings
+class HttpDocrootSettings
 {
+public:
     QString path;
     QString encoding;
     int maxAge;
diff --git a/httpserver/httplistenersettings.h b/httpserver/httplistenersettings.h
index 378da1c66..018ee8303 100644
--- a/httpserver/httplistenersettings.h
+++ b/httpserver/httplistenersettings.h
@@ -10,8 +10,9 @@
 
 namespace qtwebapp {
 
-struct HttpListenerSettings
+class HttpListenerSettings
 {
+public:
     QString host;
     int port;
     int minThreads;
diff --git a/plugins/channelrx/demodatv/atvdemodsettings.h b/plugins/channelrx/demodatv/atvdemodsettings.h
index f72f8e9d7..fb4c39fc1 100644
--- a/plugins/channelrx/demodatv/atvdemodsettings.h
+++ b/plugins/channelrx/demodatv/atvdemodsettings.h
@@ -21,7 +21,7 @@
 #include <QString>
 #include <stdint.h>
 
-struct Serializable;
+class Serializable;
 
 struct ATVDemodSettings
 {
diff --git a/sdrbase/dsp/cwkeyersettings.h b/sdrbase/dsp/cwkeyersettings.h
index 49fcbfd95..ec3c5c489 100644
--- a/sdrbase/dsp/cwkeyersettings.h
+++ b/sdrbase/dsp/cwkeyersettings.h
@@ -21,8 +21,9 @@
 #include <QString>
 #include <QByteArray>
 
-struct CWKeyerSettings
+class CWKeyerSettings
 {
+public:
     typedef enum
     {
         CWNone,