diff --git a/CMakeLists.txt b/CMakeLists.txt
index 95e1cad2fe93a9a0e78f4e3cb83dac361d043fd7..02226e23e976fa7d081e4310779cc8dc77129338 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,8 +48,8 @@ SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -gdwarf-2 -msse4.2 -mfma")
 add_subdirectory(deps)
 
 # api
-aux_source_directory(include/client API_SRC)
-add_library(api INTERFACE ${API_SRC})
+add_library(api INTERFACE)
+target_include_directories(api INTERFACE "include/client")
 
 # src
 add_subdirectory(source)
diff --git a/source/common/CMakeLists.txt b/source/common/CMakeLists.txt
index 51d7965b064122cba9eb87d370be3040a4e199a4..d03231fcfbcbdd9fdedab59c0b7c82e8195d5936 100644
--- a/source/common/CMakeLists.txt
+++ b/source/common/CMakeLists.txt
@@ -9,5 +9,5 @@ target_link_libraries(
     common
     PUBLIC os
     PUBLIC util
-    PUBLIC api
+    INTERFACE api
 )
\ No newline at end of file