diff --git a/src/utils/CMakeLists.txt b/src/utils/CMakeLists.txt
index dc34a83..6fe4adc 100644
--- a/src/utils/CMakeLists.txt
+++ b/src/utils/CMakeLists.txt
@@ -8,3 +8,4 @@ add_compile_options(-Wall -Wextra -Werror -Wdouble-promotion -Wfloat-conversion
 ## Compile
 add_library(astaroth_utils STATIC config_loader.c memory.c verification.c)
 target_link_libraries(astaroth_utils PRIVATE astaroth_core m)
+target_compile_definitions(astaroth_utils PUBLIC -DAC_DEFAULT_CONFIG="${CMAKE_SOURCE_DIR}/config/astaroth.conf")