diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 0aad51d..1a58820 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -33,6 +33,6 @@ else ()
 endif ()
 
 ## Create and link the library
-include_directories(.)
 cuda_add_library(astaroth_core STATIC astaroth.cu device.cu node.cu)
+target_include_directories(astaroth_core PRIVATE .)
 target_link_libraries(astaroth_core m)