diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5892de2a5..d2cfcfa80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -537,33 +537,38 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
 	install(FILES ${QTTRANSLATIONS} DESTINATION ${RESOURCEDIR}/translations)
 	install(FILES ${CMAKE_SOURCE_DIR}/gpl-2.0.txt DESTINATION ${RESOURCEDIR})
 	install(CODE "execute_process(COMMAND mkdir -p ${RESOURCEDIR}/qml)")
+	if(QT_VERSION VERSION_LESS 6.0.0)
+		set(QT_INSTALL_PREFIX ${_qt5Core_install_prefix})
+	else()
+		set(QT_INSTALL_PREFIX ${QT6_INSTALL_PREFIX})
+	endif()
 	install(CODE "execute_process(COMMAND mkdir -p ${PLUGINDIR}/geoservices)")
-	install(CODE "execute_process(COMMAND cp ${_qt5Core_install_prefix}/plugins/geoservices/libqtgeoservices_googlemaps.dylib ${PLUGINDIR}/geoservices ERROR_QUIET)")
-	install(CODE "execute_process(COMMAND cp ${CMAKE_SOURCE_DIR}/../install-root/${_qt5Core_install_prefix}/plugins/geoservices/libqtgeoservices_googlemaps.dylib ${PLUGINDIR}/geoservices ERROR_QUIET)")
+	install(CODE "execute_process(COMMAND cp ${QT_INSTALL_PREFIX}/plugins/geoservices/libqtgeoservices_googlemaps.dylib ${PLUGINDIR}/geoservices ERROR_QUIET)")
+	install(CODE "execute_process(COMMAND cp ${CMAKE_SOURCE_DIR}/../install-root/${QT_INSTALL_PREFIX}/plugins/geoservices/libqtgeoservices_googlemaps.dylib ${PLUGINDIR}/geoservices ERROR_QUIET)")
 	# this will fail is macdeployqt isn't in the PATH - that seemed to happen in the past, but not recently
 	install(CODE "execute_process(COMMAND macdeployqt ${APP_BUNDLE_DIR} -no-strip ${MACDEPLOY_ARGS})")
 	# the next hack is here to delete the sqlite plugin that get's installed even though it isn't needed
 	install(CODE "execute_process(COMMAND rm -rf ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/PlugIns/sqldrivers)")
 	# and another hack to get the QML Components in the right place
 	install(CODE "execute_process(COMMAND rm -rf ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml/{QtQuick.2,QtLocation,QtPositioning})")
-	install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtQuick.2 ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
-	install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtLocation ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
-	install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtPositioning ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+	install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtQuick.2 ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+	install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtLocation ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+	install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtPositioning ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
 	if(NOT QT_VERSION VERSION_LESS 5.11.0)
 		# and with Qt 5.11 we need another library that isn't copied by macdeployqt
 		install(CODE "execute_process(COMMAND rm -rf ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Frameworks/QtPositioningQuick.framework)")
-		install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/lib/QtPositioningQuick.framework ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Frameworks)")
+		install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/lib/QtPositioningQuick.framework ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Frameworks)")
 	endif()
 	if(NOT QT_VERSION VERSION_LESS 5.14.0)
 		# and with Qt 5.14 we need another library that isn't always copied by macdeployqt
 		install(CODE "execute_process(COMMAND rm -rf ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Frameworks/QtQmlWorkerScript.framework)")
-		install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/lib/QtQmlWorkerScript.framework ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Frameworks)")
+		install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/lib/QtQmlWorkerScript.framework ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Frameworks)")
 	endif()
 	if (SUBSURFACE_TARGET_EXECUTABLE MATCHES "MobileExecutable")
-		install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtQuick ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
-		install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtGraphicalEffects ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
-		install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtQml ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
-		install(CODE "execute_process(COMMAND cp -a ${_qt5Core_install_prefix}/qml/QtPositioning ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+		install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtQuick ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+		install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtGraphicalEffects ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+		install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtQml ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
+		install(CODE "execute_process(COMMAND cp -a ${QT_INSTALL_PREFIX}/qml/QtPositioning ${CMAKE_BINARY_DIR}/${APP_BUNDLE_DIR}/Contents/Resources/qml)")
 	endif()
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
 	if (CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
@@ -600,7 +605,7 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
 	if(NOT QT_VERSION VERSION_LESS 5.11.0)
 		# hack to work around the fact that we don't process the dependencies of plugins
 		# as of Qt 5.11 this additional DLL is needed and it's only referenced in the qml DLLs
-		install(FILES ${_qt5Core_install_prefix}/bin/QtPositioningQuick.dll DESTINATION ${WINDOWSSTAGING})
+		install(FILES ${QT_INSTALL_PREFIX}/bin/QtPositioningQuick.dll DESTINATION ${WINDOWSSTAGING})
 	endif()
 
 	if(NOT DEFINED MAKENSIS)