diff --git a/src/plugins/python/pythonsettings.cpp b/src/plugins/python/pythonsettings.cpp
index f54b4ac85c0..acb7a50ddd3 100644
--- a/src/plugins/python/pythonsettings.cpp
+++ b/src/plugins/python/pythonsettings.cpp
@@ -467,6 +467,10 @@ void PythonSettings::init()
 
 void PythonSettings::setInterpreter(const QList<Interpreter> &interpreters, const QString &defaultId)
 {
+    if (defaultId == interpreterOptionsPage().defaultInterpreter().id
+            && interpreters == interpreterOptionsPage().interpreters()) {
+        return;
+    }
     interpreterOptionsPage().setInterpreter(interpreters);
     interpreterOptionsPage().setDefaultInterpreter(defaultId);
     saveSettings();
diff --git a/src/plugins/python/pythonsettings.h b/src/plugins/python/pythonsettings.h
index 02c62ab65fc..0ef6c62a0ff 100644
--- a/src/plugins/python/pythonsettings.h
+++ b/src/plugins/python/pythonsettings.h
@@ -44,6 +44,11 @@ public:
                 const QString &name,
                 const Utils::FilePath &command);
 
+    inline bool operator==(const Interpreter &other) const
+    {
+        return id == other.id && name == other.name && command == other.command;
+    }
+
     QString id = QUuid::createUuid().toString();
     QString name;
     Utils::FilePath command;