diff --git a/src/harfbuzz-config.cmake.in b/src/harfbuzz-config.cmake.in
index 304410d9bae..43c10a0e2f5 100644
--- a/src/harfbuzz-config.cmake.in
+++ b/src/harfbuzz-config.cmake.in
@@ -24,6 +24,7 @@ unset(_harfbuzz_libdir_iter)
 # Get the include subdir.
 set(_harfbuzz_includedir "@includedir@")
 string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_includedir "${_harfbuzz_includedir}")
+cmake_path(APPEND "${_harfbuzz_prefix}" "${_harfbuzz_includedir}" OUTPUT_VARIABLE _harfbuzz_includedir)
 
 # Extract version information from libtool.
 set(_harfbuzz_version_info "@HB_LIBTOOL_VERSION_INFO@")
@@ -48,18 +49,18 @@ endif ()
 # Add the libraries.
 add_library(harfbuzz::harfbuzz SHARED IMPORTED)
 set_target_properties(harfbuzz::harfbuzz PROPERTIES
-  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
   IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz${_harfbuzz_lib_suffix}")
 
 add_library(harfbuzz::icu SHARED IMPORTED)
 set_target_properties(harfbuzz::icu PROPERTIES
-  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
   INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
   IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-icu${_harfbuzz_lib_suffix}")
 
 add_library(harfbuzz::subset SHARED IMPORTED)
 set_target_properties(harfbuzz::subset PROPERTIES
-  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+  INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
   INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
   IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-subset${_harfbuzz_lib_suffix}")
 
@@ -68,7 +69,7 @@ set(_harfbuzz_have_gobject "@have_gobject@")
 if (_harfbuzz_have_gobject)
   add_library(harfbuzz::gobject SHARED IMPORTED)
   set_target_properties(harfbuzz::gobject PROPERTIES
-    INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
+    INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_includedir}/harfbuzz"
     INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
     IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-gobject${_harfbuzz_lib_suffix}")
 endif ()