diff --git a/CMakeLists.txt b/CMakeLists.txt
index 153fdaf4..4e77fd2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,8 +29,6 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" MATCH
     add_compile_options("-Wfatal-errors")
 endif()
 
-set(HEADER_BASE "${CMAKE_CURRENT_SOURCE_DIR}/include/spdlog")
-
 #---------------------------------------------------------------------------------------
 # address sanitizers check
 #---------------------------------------------------------------------------------------
@@ -53,6 +51,8 @@ option(SPDLOG_BUILD_TESTS "Build tests" ${SPDLOG_MASTER_PROJECT})
 option(SPDLOG_FMT_EXTERNAL "Use external fmt library instead of bundled" OFF)
 option(SPDLOG_INSTALL "Generate the install target." ${SPDLOG_MASTER_PROJECT})
 
+set(HEADER_BASE "${CMAKE_CURRENT_SOURCE_DIR}/include/spdlog")
+
 if(SPDLOG_STATIC_LIB)
     add_definitions(-DSPDLOG_STATIC_LIB)
     file(GLOB SRC_FILES ${HEADER_BASE}/impl/*.cpp)