--- a/Components/Overlay/CMakeLists.txt	2020-09-20 16:13:41.280993468 +0200
+++ b/Components/Overlay/CMakeLists.txt	2020-09-20 16:14:52.468997571 +0200
@@ -19,14 +19,14 @@
 file(GLOB SOURCE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp")
 
 if(OGRE_BUILD_COMPONENT_OVERLAY_IMGUI)
-  set(IMGUI_DIR "${PROJECT_BINARY_DIR}/imgui-1.77" CACHE PATH "")
+  set(IMGUI_DIR "${PROJECT_SOURCE_DIR}/imgui-1.77" CACHE PATH "")
   if(NOT EXISTS ${IMGUI_DIR})
     message(STATUS "Dowloading imgui")
     file(DOWNLOAD
         https://github.com/ocornut/imgui/archive/v1.77.tar.gz
-        ${PROJECT_BINARY_DIR}/imgui.tar.gz)
+        ${PROJECT_SOURCE_DIR}/imgui.tar.gz)
     execute_process(COMMAND ${CMAKE_COMMAND}
-        -E tar xf imgui.tar.gz WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
+        -E tar xf imgui.tar.gz WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
   endif()
   list(APPEND SOURCE_FILES
     ${IMGUI_DIR}/imgui.cpp
@@ -80,4 +80,4 @@
 )
 install(FILES "${PROJECT_SOURCE_DIR}/Media/packs/profiler.zip"
   DESTINATION "${OGRE_MEDIA_PATH}/packs/"
-)
\ Kein Zeilenumbruch am Dateiende.
+)