diff --git a/README.md b/README.md
index b36d86f..1d515cd 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-<!-- SPDX-FileCopyrightText: 2017 Adriaan de Groot <groot@kde.org> 
+<!-- SPDX-FileCopyrightText: 2017 Adriaan de Groot <groot@kde.org>
      SPDX-FileCopyrightText: 2017-2020 Andrius Štikonas <andrius@stikonas.eu>
      SPDX-License-Identifier: CC-BY-4.0
 -->
@@ -35,7 +35,6 @@ looks like this:
 
 ```cmake
     find_package( KPMcore 3.2 REQUIRED )
-    include_directories( ${KPMCORE_INCLUDE_DIR} )
     target_link_libraries( target kpmcore )
 ```
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 05e3f49..eb343f2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,6 +1,7 @@
 # SPDX-FileCopyrightText: 2008,2012 Volker Lanz <vl@fidra.de>
 # SPDX-FileCopyrightText: 2015 Teo Mrnjavac <teo@kde.org>
 # SPDX-FileCopyrightText: 2014-2020 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021 Harald Sitter <sitter@kde.org>
 
 # SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -47,6 +48,8 @@ generate_export_header(kpmcore
 )
 list(APPEND UTIL_LIB_HDRS ${CMAKE_CURRENT_BINARY_DIR}/util/libpartitionmanagerexport.h)
 
+target_include_directories(kpmcore INTERFACE "$<INSTALL_INTERFACE:${INCLUDE_INSTALL_DIR}/kpmcore>")
+
 install(TARGETS kpmcore EXPORT KPMcoreTargets  ${INSTALL_TARGETS_DEFAULT_ARGS})
 install(FILES ${CORE_LIB_HDRS} DESTINATION ${INCLUDE_INSTALL_DIR}/kpmcore/core/ COMPONENT Devel)
 install(FILES ${BACKEND_LIB_HDRS} DESTINATION ${INCLUDE_INSTALL_DIR}/kpmcore/backend/ COMPONENT Devel)