diff --git a/include/trigdx/trigdx.hpp b/include/trigdx/trigdx.hpp
index f87abf2..ef5ee05 100644
--- a/include/trigdx/trigdx.hpp
+++ b/include/trigdx/trigdx.hpp
@@ -2,9 +2,9 @@
 
 #include <trigdx/trigdx_config.hpp>
 
-#include <trigdx/reference.hpp>
 #include <trigdx/lookup.hpp>
 #include <trigdx/lookup_avx.hpp>
+#include <trigdx/reference.hpp>
 
 #if defined(TRIGDX_USE_MKL)
 #include <trigdx/mkl.hpp>
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 933a944..f7eb2f2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -35,5 +35,5 @@ if(TRIGDX_USE_XSIMD)
 endif()
 
 target_include_directories(
-  trigdx INTERFACE $<BUILD_INTERFACE:${CMAKE_BINARY_DIR}/include>
-                   $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>)
+  trigdx INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+                   $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>)