--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,8 +59,8 @@ target_include_directories(Library-C++
     PUBLIC
     $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
     $<INSTALL_INTERFACE:include>
-    ${EIGEN3_INCLUDE_DIR}
     )
+target_link_libraries(Library-C++ PUBLIC Eigen3::Eigen)
 if(WITH_FGT)
     target_link_libraries(Library-C++ PUBLIC Fgt::Library-C++)
     target_compile_definitions(Library-C++ PUBLIC CPD_WITH_FGT)
--- a/include/cpd/transform.hpp
+++ b/include/cpd/transform.hpp
@@ -24,6 +24,7 @@
 
 #pragma once
 
+#include <cassert>
 #include <chrono>
 #include <memory>
 #include <functional>