diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2e0b519..5fb1404 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -77,7 +77,10 @@ else()
 endif()
 
 add_library(${ARGTABLE3_PROJECT_NAME}::argtable3 ALIAS argtable3)
-target_include_directories(argtable3 PRIVATE ${PROJECT_SOURCE_DIR}/src)
+target_include_directories(argtable3 PUBLIC
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCEDIR}>"
+  "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
 
 set_target_properties(argtable3 PROPERTIES
   VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}
@@ -98,6 +101,7 @@ install(TARGETS argtable3
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
 
 install(FILES "${PROJECT_SOURCE_DIR}/src/argtable3.h"