diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06b66eaf..64bb1bd6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -241,7 +241,7 @@ if(NANA_CMAKE_ENABLE_JPEG)
     if(NANA_CMAKE_LIBJPEG_FROM_OS)
         find_package(JPEG)
         if (JPEG_FOUND)
-            target_include_directories(${PROJECT_NAME SYSTEM PRIVATE ${JPEG_INCLUDE_DIR})
+            target_include_directories(${PROJECT_NAME} SYSTEM PRIVATE ${JPEG_INCLUDE_DIR})
             target_link_libraries(${PROJECT_NAME} PRIVATE ${JPEG_LIBRARIES})
             target_compile_definitions(${PROJECT_NAME} PUBLIC USE_LIBJPEG_FROM_OS)
         endif(JPEG_FOUND)
@@ -256,7 +256,7 @@ if(NANA_CMAKE_ENABLE_AUDIO)
     if(UNIX)
         find_package(ASOUND)
         if (ASOUND_FOUND)
-            target_include_directories(${PROJECT_NAME PRIVATE ${ASOUND_INCLUDE_DIRS})
+            target_include_directories(${PROJECT_NAME} PRIVATE ${ASOUND_INCLUDE_DIRS})
             target_link_libraries(${PROJECT_NAME} PRIVATE ${ASOUND_LIBRARIES})
         else(ASOUND_FOUND)
             message(FATAL_ERROR "libasound is not found")