diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 922f7e52e..701cd7585 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -4,7 +4,7 @@ foreach(TOOL_SOURCE ${TOOL_SOURCES})
   get_filename_component(TOOL ${TOOL_SOURCE} NAME_WE)
   add_executable("${TOOL}-tool" ${TOOL_SOURCE})
   target_link_libraries("${TOOL}-tool" taco)
-  target_include_directories("${TOOL}-tool" PRIVATE "${CMAKE_BINARY_DIR}/include")
+  target_include_directories("${TOOL}-tool" PRIVATE "${PROJECT_BINARY_DIR}/include")
   SET_TARGET_PROPERTIES("${TOOL}-tool" PROPERTIES OUTPUT_NAME ${TOOL})
   install(TARGETS "${TOOL}-tool" DESTINATION bin)
 endforeach()