diff --git a/CMakeLists.txt b/CMakeLists.txt
index d73cb16ed..83f5827a7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -313,12 +313,12 @@ install(FILES data/supertuxkart_32.png data/supertuxkart_128.png DESTINATION sha
 install(FILES data/supertuxkart.appdata DESTINATION share/appdata)
 
 # ==== Checking if data folder exists ====
-if(NOT IS_DIRECTORY data)
+if(NOT IS_DIRECTORY ../data)
   message( FATAL_ERROR "${CMAKE_CURRENT_SOURCE_DIR}/data folder doesn't exist" )
 endif()
 
 # ==== Checking if stk-assets folder exists ====
-if(NOT IS_DIRECTORY ../stk-assets)
+if(NOT IS_DIRECTORY ../../stk-assets)
   set (CUR_DIR ${CMAKE_CURRENT_SOURCE_DIR})
   get_filename_component(PARENT_DIR ${CUR_DIR} PATH)
   message( FATAL_ERROR "${PARENT_DIR}/stk-assets folder doesn't exist" )