diff --git a/libdnf/conf/ConfigMain.cpp b/libdnf/conf/ConfigMain.cpp
index 3f12762ac..e72454517 100644
--- a/libdnf/conf/ConfigMain.cpp
+++ b/libdnf/conf/ConfigMain.cpp
@@ -284,6 +284,7 @@ class ConfigMain::Impl {
     OptionString comment{nullptr};
     OptionBool downloadonly{false}; // runtime only option
     OptionBool ignorearch{false};
+    OptionBool transient{false}; // runtime only option
     OptionString module_platform_id{nullptr};
     OptionBool module_stream_switch{false};
     OptionBool module_obsoletes{false};
@@ -613,6 +614,7 @@ OptionPath & ConfigMain::destdir() { return pImpl->destdir; }
 OptionString & ConfigMain::comment() { return pImpl->comment; }
 OptionBool & ConfigMain::downloadonly() { return pImpl->downloadonly; }
 OptionBool & ConfigMain::ignorearch() { return pImpl->ignorearch; }
+OptionBool & ConfigMain::transient() { return pImpl->transient; }
 
 OptionString & ConfigMain::module_platform_id() { return pImpl->module_platform_id; }
 OptionBool & ConfigMain::module_stream_switch() { return pImpl->module_stream_switch; }
diff --git a/libdnf/conf/ConfigMain.hpp b/libdnf/conf/ConfigMain.hpp
index c63c9a827..f757336e7 100644
--- a/libdnf/conf/ConfigMain.hpp
+++ b/libdnf/conf/ConfigMain.hpp
@@ -125,6 +125,7 @@ class ConfigMain : public Config {
     OptionString & comment();
     OptionBool & downloadonly();
     OptionBool & ignorearch();
+    OptionBool & transient();
 
     OptionString & module_platform_id();
     OptionBool & module_stream_switch();