diff --git a/CMakeLists.txt b/CMakeLists.txt
index df1d93bc..4696a9dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,7 +23,6 @@ set(CMAKE_CONFIG_INSTALL_FILE ${PROJECT_BINARY_DIR}/config.toinstall.cmake)
 set(CMAKE_CONFIG_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
 set(INC_DIR ${PROJECT_SOURCE_DIR}/_include CACHE PATH "workflow inc")
 set(LIB_DIR ${PROJECT_SOURCE_DIR}/_lib CACHE PATH "workflow lib")
-set(WORKFLOW_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/_include CACHE PATH "workflow public inc")
 
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIB_DIR})
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIB_DIR})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 79e4a326..ed389d05 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -133,12 +133,16 @@ if (KAFKA STREQUAL "y")
 endif ()
 
 target_include_directories(${STATIC_LIB_NAME} BEFORE PUBLIC
+	"$<BUILD_INTERFACE:${INC_DIR}>"
 	"$<INSTALL_INTERFACE:${INC_DIR}>")
 target_include_directories(${SHARED_LIB_NAME} BEFORE PUBLIC
+	"$<BUILD_INTERFACE:${INC_DIR}>"
 	"$<INSTALL_INTERFACE:${INC_DIR}>")
 if (KAFKA STREQUAL "y")
 	target_include_directories(${KAFKA_STATIC_LIB_NAME} BEFORE PUBLIC
+		"$<BUILD_INTERFACE:${INC_DIR}>"
 		"$<INSTALL_INTERFACE:${INC_DIR}>")
 	target_include_directories(${KAFKA_SHARED_LIB_NAME} BEFORE PUBLIC
+		"$<BUILD_INTERFACE:${INC_DIR}>"
 		"$<INSTALL_INTERFACE:${INC_DIR}>")
 endif ()