diff --git a/CMakeLists.txt b/CMakeLists.txt
index 31b24db9..4261a7ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,12 +7,12 @@ include_directories(include/boost_1_65_1 Headers)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-add_definitions(-DCUSTOMER_PREFIX_PATH)
+add_definitions(-DCUSTOMER_CMAKE_PREFIX_PATH)
 
-if (NOT DEFINED CUSTOMER_PREFIX_PATH OR CUSTOMER_PREFIX_PATH STREQUAL "")
+if (NOT DEFINED CUSTOMER_CMAKE_PREFIX_PATH OR CUSTOMER_CMAKE_PREFIX_PATH STREQUAL "")
     message(FATAL_ERROR "You have to specify your own Qt prefix path using CMAKE_PREFIX_PATH argument.")
 else()
-    set(CMAKE_PREFIX_PATH ${CUSTOMER_PREFIX_PATH})
+    set(CMAKE_PREFIX_PATH ${CUSTOMER_CMAKE_PREFIX_PATH})
 endif()
 
 set(CMAKE_AUTOMOC ON)