diff --git a/CMakeLists.txt b/CMakeLists.txt
index ea32cd1..5ad3a0c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,8 +17,9 @@ endif()
 
 #variables for pkg-config
 set(prefix "${CMAKE_INSTALL_PREFIX}")
-set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+set(libdir "${CMAKE_INSTALL_LIBDIR}")
 set(version "${CJSON_VERSION}")
+set(includedir "${CMAKE_INSTALL_INCLUDEDIR}")
 
 option(BUILD_SHARED_LIBS "Build shared libraries" ON)
 
diff --git a/cJSONConfig.cmake.in b/cJSONConfig.cmake.in
index da8e588..06696ad 100644
--- a/cJSONConfig.cmake.in
+++ b/cJSONConfig.cmake.in
@@ -8,7 +8,7 @@ set(CJSON_UTILS_LIBRARY @CJSON_UTILS_LIB@)
 # The cJSON library
 set(CJSON_LIBRARY @CJSON_LIB@)
 # The include directories used by cJSON
-set(CJSON_INCLUDE_DIRS @CMAKE_INSTALL_PREFIX@/include)
+set(CJSON_INCLUDE_DIRS "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@")
 
 get_filename_component(_dir "${CMAKE_CURRENT_LIST_FILE}" PATH)
 include("${_dir}/cJSONConfigTargets.cmake")
diff --git a/cJSONConfigVersion.cmake.in b/cJSONConfigVersion.cmake.in
index 22ffec0..868727b 100644
--- a/cJSONConfigVersion.cmake.in
+++ b/cJSONConfigVersion.cmake.in
@@ -1,4 +1,4 @@
-set(PACKAGE_VERSION "@PROJECT_VERSION@")
+set(PACKAGE_VERSION "@CJSON_VERSION@")
 
 # Check whether the requested PACKAGE_FIND_VERSION is compatible
 if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
diff --git a/libcjson.pc.in b/libcjson.pc.in
index aac3262..106ac7d 100644
--- a/libcjson.pc.in
+++ b/libcjson.pc.in
@@ -1,10 +1,9 @@
 prefix=@prefix@
-libdir=@libdir@
-includedir=${prefix}/include/cJSON
-version=@version@
+libdir=${prefix}/@libdir@
+includedir=${prefix}/@includedir@
 
 Name: libcjson
-Version: ${version}
+Version: @version@
 Description: Ultralightweight JSON parser in ANSI C
 Libs: -L${libdir} -lcjson
 Cflags: -I${includedir}
diff --git a/libcjson_utils.pc.in b/libcjson_utils.pc.in
index 67effb4..679aef6 100644
--- a/libcjson_utils.pc.in
+++ b/libcjson_utils.pc.in
@@ -1,10 +1,9 @@
 prefix=@prefix@
-libdir=@libdir@
-includedir=${prefix}/include/cJSON
-version=@version@
+libdir=${prefix}/@libdir@
+includedir=${prefix}/@includedir@
 
 Name: libcjson_utils
-Version: ${version}
+Version: @version@
 Description: An implementation of JSON Pointer, Patch and Merge Patch based on cJSON.
 Libs: -L${libdir} -lcjson_utils
 Cflags: -I${includedir}