diff --git a/cmake/libutils.cmake b/cmake/libutils.cmake
index 88b53e7..f49e44d 100644
--- a/cmake/libutils.cmake
+++ b/cmake/libutils.cmake
@@ -179,6 +179,7 @@ MACRO(MERGE_LIBRARIES_SHARED)
     ADD_VERSION_INFO(${TARGET} SHARED SRC)
   ENDIF()
   ADD_LIBRARY(${TARGET} SHARED ${SRC})
+  TARGET_INCLUDE_DIRECTORIES(${TARGET} INTERFACE $<INSTALL_INTERFACE:include>)
 
   IF(ARG_EXCLUDE_FROM_ALL)
     IF(NOT ARG_SKIP_INSTALL)
@@ -274,6 +275,7 @@ MACRO(MERGE_CONVENIENCE_LIBRARIES)
   SET(SOURCE_FILE
     ${CMAKE_BINARY_DIR}/archive_output_directory/${TARGET}_depends.c)
   ADD_LIBRARY(${TARGET} STATIC ${SOURCE_FILE})
+  TARGET_INCLUDE_DIRECTORIES(${TARGET} INTERFACE $<INSTALL_INTERFACE:include>)
 
   IF(ARG_EXCLUDE_FROM_ALL)
     IF(NOT ARG_SKIP_INSTALL)