diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt
index 854674d..f61a294 100644
--- a/backend/CMakeLists.txt
+++ b/backend/CMakeLists.txt
@@ -47,7 +47,7 @@ endif()
 if(ZINT_USE_PNG AND PNG_FOUND)
     zint_target_link_libraries(PNG::PNG)
 else()
-    zint_target_compile_definitions(PUBLIC NO_PNG)
+    zint_target_compile_definitions(PRIVATE NO_PNG)
 endif()
 
 if(ZINT_TEST)
@@ -63,7 +63,13 @@ if(MSVC)
     target_compile_definitions(zint PRIVATE DLL_EXPORT)
 endif()
 
-install(TARGETS zint ${INSTALL_TARGETS_DEFAULT_ARGS})
+target_include_directories(zint PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+    $<INSTALL_INTERFACE:${INCLUDE_INSTALL_DIR}>
+)
+
+install(TARGETS zint EXPORT unofficial-zint-targets ${INSTALL_TARGETS_DEFAULT_ARGS})
+install(EXPORT unofficial-zint-targets NAMESPACE unofficial::zint:: DESTINATION share/unofficial-zint)
 if(ZINT_STATIC)
     install(TARGETS zint-static ${INSTALL_TARGETS_DEFAULT_ARGS})
 endif()