diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4d6e0a9..df4ad28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,7 +77,9 @@ find_package(Qt5LinguistTools REQUIRED)
 
 # find qt5 imports dir
 get_target_property(QMAKE_EXECUTABLE Qt5::qmake LOCATION)
-exec_program(${QMAKE_EXECUTABLE} ARGS "-query QT_INSTALL_QML" RETURN_VALUE return_code OUTPUT_VARIABLE QT_IMPORTS_DIR)
+if(NOT QT_IMPORTS_DIR)
+    exec_program(${QMAKE_EXECUTABLE} ARGS "-query QT_INSTALL_QML" RETURN_VALUE return_code OUTPUT_VARIABLE QT_IMPORTS_DIR)
+endif()
 
 # Set components version
 set(COMPONENTS_VERSION 2.0)
diff --git a/data/man/sddm.conf.rst.in b/data/man/sddm.conf.rst.in
index 6a28224..798bc5c 100644
--- a/data/man/sddm.conf.rst.in
+++ b/data/man/sddm.conf.rst.in
@@ -65,6 +65,10 @@ OPTIONS
 	Path of the X server.
 	Default value is "/usr/bin/X".
 
+`XephyrPath=`
+	Path of the Xephyr.
+	Default value is "/usr/bin/Xephyr".
+
 `XauthPath=`
 	Path of the Xauth.
 	Default value is "/usr/bin/xauth".
diff --git a/src/common/Configuration.h b/src/common/Configuration.h
index 72aa6f4..854cc22 100644
--- a/src/common/Configuration.h
+++ b/src/common/Configuration.h
@@ -54,6 +54,7 @@ namespace SDDM {
         // TODO: Not absolutely sure if everything belongs here. Xsessions, VT and probably some more seem universal
         Section(XDisplay,
             Entry(ServerPath,          QString,     _S("/usr/bin/X"),                           _S("X server path"));
+            Entry(XephyrPath,          QString,     _S("/usr/bin/Xephyr"),                      _S("Xephyr path"));
             Entry(XauthPath,           QString,     _S("/usr/bin/xauth"),                       _S("Xauth path"));
             Entry(SessionDir,          QString,     _S("/usr/share/xsessions"),                 _S("Session description directory"));
             Entry(SessionCommand,      QString,     _S(SESSION_COMMAND),                        _S("Xsession script path\n"
diff --git a/src/daemon/XorgDisplayServer.cpp b/src/daemon/XorgDisplayServer.cpp
index f10ad82..cb9de3f 100644
--- a/src/daemon/XorgDisplayServer.cpp
+++ b/src/daemon/XorgDisplayServer.cpp
@@ -136,7 +136,7 @@ namespace SDDM {
         if (daemonApp->testing()) {
             QStringList args;
             args << m_display << "-ac" << "-br" << "-noreset" << "-screen" << "800x600";
-            process->start("/usr/bin/Xephyr", args);
+            process->start(mainConfig.XDisplay.XephyrPath.get(), args);
         } else {
             // set process environment
             QProcessEnvironment env = QProcessEnvironment::systemEnvironment();