diff --git a/lang/cpp/src/GpgmeppConfig.cmake.in.in b/lang/cpp/src/GpgmeppConfig.cmake.in.in
index d54011e9..ca11deb0 100644
--- a/lang/cpp/src/GpgmeppConfig.cmake.in.in
+++ b/lang/cpp/src/GpgmeppConfig.cmake.in.in
@@ -58,17 +58,11 @@ unset(_targetsDefined)
 unset(_targetsNotDefined)
 unset(_expectedTargets)
 
-# Compute the installation prefix relative to this file.
-get_filename_component(_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_FILE}" PATH)
-get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-
 # Create imported target Gpgmepp
 add_library(Gpgmepp SHARED IMPORTED)
 
 set_target_properties(Gpgmepp PROPERTIES
-  INTERFACE_INCLUDE_DIRECTORIES "${_IMPORT_PREFIX}/include/gpgme++"
+  INTERFACE_INCLUDE_DIRECTORIES "@resolved_includedir@/gpgme++;@resolved_includedir@"
   INTERFACE_LINK_LIBRARIES "pthread;@resolved_libdir@/libgpgme@libsuffix@;@LIBASSUAN_LIBS@"
   IMPORTED_LOCATION "@resolved_libdir@/libgpgmepp@libsuffix@"
 )
@@ -77,9 +71,6 @@ if(CMAKE_VERSION VERSION_LESS 2.8.12)
   message(FATAL_ERROR "This file relies on consumers using CMake 2.8.12 or greater.")
 endif()
 
-# Cleanup temporary variables.
-set(_IMPORT_PREFIX)
-
 # Loop over all imported files and verify that they actually exist
 foreach(target ${_IMPORT_CHECK_TARGETS} )
   foreach(file ${_IMPORT_CHECK_FILES_FOR_${target}} )
diff --git a/lang/cpp/src/Makefile.am b/lang/cpp/src/Makefile.am
index e65a8752..0500dbf6 100644
--- a/lang/cpp/src/Makefile.am
+++ b/lang/cpp/src/Makefile.am
@@ -76,9 +76,9 @@ libsuffix=.so
 endif
 
 GpgmeppConfig.cmake: GpgmeppConfig.cmake.in
-	sed -e 's|[@]resolved_libdir@|$(libdir)|g' < "$<" > "$@"
-	sed -e 's|[@]libsuffix@|$(libsuffix)|g' < "$@" > "$@".2
-	mv "$@".2 "$@"
+	sed -e 's|[@]resolved_libdir@|$(libdir)|g' < "$<" | \
+	sed -e 's|[@]libsuffix@|$(libsuffix)|g' | \
+	sed -e 's|[@]resolved_includedir@|$(includedir)|g' > $@
 
 install-cmake-files: GpgmeppConfig.cmake GpgmeppConfigVersion.cmake
 	-$(INSTALL) -d $(DESTDIR)$(libdir)/cmake/Gpgmepp
diff --git a/lang/qt/src/Makefile.am b/lang/qt/src/Makefile.am
index c15da182..96b77b49 100644
--- a/lang/qt/src/Makefile.am
+++ b/lang/qt/src/Makefile.am
@@ -221,9 +221,9 @@ libsuffix=.so
 endif
 
 QGpgmeConfig.cmake: QGpgmeConfig.cmake.in
-	sed -e 's|[@]resolved_libdir@|$(libdir)|g' < "$<" > "$@"
-	sed -e 's|[@]libsuffix@|$(libsuffix)|g' < "$@" > "$@".2
-	mv "$@".2 "$@"
+	sed -e 's|[@]resolved_libdir@|$(libdir)|g' < "$<" | \
+	sed -e 's|[@]libsuffix@|$(libsuffix)|g' | \
+	sed -e 's|[@]resolved_includedir@|$(includedir)|g' > $@
 
 $(camelcase_headers): Makefile.am
 	echo -n "#include \"qgpgme/" > "$@"
diff --git a/lang/qt/src/QGpgmeConfig.cmake.in.in b/lang/qt/src/QGpgmeConfig.cmake.in.in
index 3d196965..9063408d 100644
--- a/lang/qt/src/QGpgmeConfig.cmake.in.in
+++ b/lang/qt/src/QGpgmeConfig.cmake.in.in
@@ -58,17 +58,11 @@ unset(_targetsDefined)
 unset(_targetsNotDefined)
 unset(_expectedTargets)
 
-# Compute the installation prefix relative to this file.
-get_filename_component(_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_FILE}" PATH)
-get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-get_filename_component(_IMPORT_PREFIX "${_IMPORT_PREFIX}" PATH)
-
 # Create imported target QGpgme
 add_library(QGpgme SHARED IMPORTED)
 
 set_target_properties(QGpgme PROPERTIES
-  INTERFACE_INCLUDE_DIRECTORIES "${_IMPORT_PREFIX}/include;${_IMPORT_PREFIX}/include/qgpgme"
+  INTERFACE_INCLUDE_DIRECTORIES "@resolved_includedir@/qgpgme;@resolved_includedir@"
   INTERFACE_LINK_LIBRARIES "Gpgmepp;Qt5::Core"
   IMPORTED_LOCATION "@resolved_libdir@/libqgpgme@libsuffix@"
 )
@@ -77,9 +71,6 @@ if(CMAKE_VERSION VERSION_LESS 2.8.12)
   message(FATAL_ERROR "This file relies on consumers using CMake 2.8.12 or greater.")
 endif()
 
-# Cleanup temporary variables.
-set(_IMPORT_PREFIX)
-
 # Loop over all imported files and verify that they actually exist
 foreach(target ${_IMPORT_CHECK_TARGETS} )
   foreach(file ${_IMPORT_CHECK_FILES_FOR_${target}} )